What happened to Gap Limit? · Issue #377 · spesmilo/electrum

Password problem

I tried to spend some bitcoin and it asked me for a password. I have the password, but it kept saying it was invalid. I tried recovering the wallet using the password and the mnemonic words and it said that my username was already taken -- I don't know if that means that my password was correct or not. Also, I assume this password is the one I created when I first created a Wasabi account. Is there a second password required to send bitcoin out?
Please help.
submitted by EncinoGuy1 to WasabiWallet [link] [comments]

I have a few questions about addresses and anonymity

  1. Let's imagine that I have $10 on each of the 20 addresses on HD wallet, I need to withdraw $30. Withdraw $10 apiece from each address (for anonymity) or withdraw 30 at once and don't worry about it (if I understand correctly, my three addresses will be joined in blockchain)?
  2. Each address should be used only once. But here's what I don't understand. For example, I put money on Bitcoin address and then withdrew it. Now it's empty. What do I do with this address now? Can I delete it or hide it somehow? (I use Electrum)
  3. I know you can increase the gap limit and create any number of addresses, but as far as I know, Electrum is not optimized to handle many addresses + there are problems with importing and restoring the wallet. What to do when there are too many addresses? Send all bitcoins to a new wallet? But this will damage your anonymity. Or if you send separately from each address to single new one, everything will be ok?
submitted by CommercialSnake to BitcoinBeginners [link] [comments]

How wallets discover addresses

I am new to all this and I'm trying to get a bit of a fundamental understanding of how all this works. I've been searching all over the place for an explanation to this particular question but so far can't find anything that answers my question. I understand that Seed > Private Key > Public Key > Addresses and that this can only travel in one direction.

I've also done by best to absorb the relevant documentation here -

Now I also think I understand from the above link that it is theoretically possible to generate a million addresses and only receive funds to the millionth address - all previous addresses would be empty. I also understand that all I need to restore my wallet is the recovery seed.

Now here is the question. If I receive funds on ONLY my millionth address and then I recover my wallet from the recovery seed, how does my wallet know it has to track through a million empty addresses before it finds one address with some bitcoin on it? Ie how do wallet implementations prevent coins from being "lost" due to there being a huge gap between used addresses? I know that some implementations like Electrum and Trezor limit the number of addresses you can generate but I'm talking more about the protocol here rather than a specific implementation. Or is this the exact reason why they do limit it (to save them from having to generate "n" amount of addresses to find funds.

Hope all that makes some sense!
submitted by UKMatt80 to BitcoinBeginners [link] [comments]

I restored my wallet but it's missing funds/addresses

I just downloaded 3.3.4 as my old version on 2.8.2 couldn't connect to servers anymore. However, when i restored my wallet from its seed all of my addresses, contacts, and funds are missing. I checked around and nothing seemed to explain why it isn't working, it's definitely the right seed and I have never adjusted my gap limit (don't even know what that is). on top of this, before I noticed my old electrum was offline I had sent some bitcoin to it-but this would show up in the restored version of my wallet, right? idk i'm lost and need some help pls
submitted by creamybews to Electrum [link] [comments]

how to recovery my bitcoins from electrum?

i am using electrum wallet.recently i used my from Public master keys at this site: www.gear.mycelium.com and i created widget. this widget generate bitcoin addresses and send them to my electrum wallet. i received some bitcoins from generated addresses(i see my transaction in blockchain.info).but i can not see my generated address in my electrum wallet! also i can not see my generated address in Xpub blockchain.info.
submitted by f4t4l1 to Bitcoin [link] [comments]

Coins showing up in EPS but not in wallet

I run my own electrum personal server attached to my full node. When first starting my electrum personal server it imported 1000 addresses so I have been sending bitcoins to these addresses by just picking a random one that has the electrum-watchonly-addresses label. When I opened electrum today 2 of my transactions aren't there, I figured this was because my gap limit was too low but I set it to 2000 and the 2 transactions still haven't appeared. I tried recreating my electrum personal server and the 2 transactions still show up on my node but not in my electrum wallet. Can you guys help me?
submitted by benthecarman to Electrum [link] [comments]

Groestlcoin Release September 2018


As always, the past 3 months since 22nd June have been crazy busy. The bears might still be around, but the show must go on and of course has not slowed the Groestlcoin development team in the slightest. Here’s a quick overview of what has already happened since the last release: - Integrated into the bitbns exchange, with the ability to buy Groestlcoin directly with the Indian Rupee. - Groestlcoin Rebrand Vote – Whilst there was much talk and push for a rebrand vote, the overall result was almost unanimously in favour of keeping our unique and conversation-starting name. With just 83 votes to Rebrand, and 2577 votes to No Rebrand. Thank you for all who voted, the funds raised are being used to fund ongoing hosting and development costs. - Integrated into the Cryptobridge exchange. Cryptobridge is a popular decentralised exchange where you always hold the private keys to your funds, only YOU have access to them. - Groestlcoin has been added to SimpleSwap – Groestlcoin can now be swapped with over 100 other cryptocurrencies, without signing up! - Groestlcoin has been added to UnoDax, one of the leading cryptocurrency exchanges in India, with TUSD, BTC and INR trading pairs. - Groestlcoin has been added to SwapLab.cc, where you can buy Groestlcoin using Bitcoin and over 50 other altcoins. Purchasing with VISA/Mastercard is coming VERY SOON. Discussed later: - Groestlcoin has been listed on #3 largest exchange in the world on volume, Huobi Global! More on this to come further on in the announcements. - Groestlcoin has been added to the Guarda Multi-Currency Wallet. - Groestlcoin has been added to Melis Multi-Device, Multi-Account, Multi-Platform, Multi-Signature advanced wallet! Already this list is far more than most other cryptocurrencies have achieved in the past 3 months. But this is just the tip of the iceberg of what has been developed.

What's been Happening?

GRSPay Released

We are so excited for this, that it has it's own separate reddit thread. Head over there now at https://www.reddit.com/groestlcoin/comments/9ikr5m/groestlcoin_releases_grspay/? to see more on this!

Melis Wallet

The the most advanced wallet for Bitcoin, Bitcoin Cash, Litecoin and now Groestlcoin.
With Melis you have the complete control of your bitcoins and private keys, you can define spending limits policies and make use of two or more factors authentication. Melis is open source, published on GitHub.

How Melis Works?

You can create as many accounts as you want. An account is a part of your wallet that can be customised to your requirements. You can choose how many co-signers are required to spend funds. The accounts are completely independent and act like separate wallets from each other but can be accessed via the same details. A core feature of Melis is the ability to set a ‘primary’ device. With this you can set an account as ‘Secure’ so it is only viewable (and accessible at all) from the Primary device. You can have a savings account hidden from the outside world whilst also having your ‘spending’ funds available on the go. With Melis you can create a multi-signature account between N people, where up to N signatures are required to sign a transaction, choosing if any of those should be mandatory.
Core Features:

Guarda Wallet

Safer than ever! Desktop Light Wallet - Anonymous and fast!
With Guarda Multi-currency Desktop Light Wallet you don’t need to register. Guarda has no access to your private keys or funds. You can receive, send, store, buy and exchange cryptocurrencies in complete anonymity and safety. All these features are available on Linux, Windows or MacOS. Choose the one that suits you!
More info about Guarda wallet on www.guarda.co

Integrated into HolyTransaction

What is HolyTransaction?

HolyTransaction gives users access to the crypto world with a universal cryptocurrency wallet and instant exchange.


For more information, visit Holy Transaction here.

Integrated into NEXT Wallet

What is NEXT?

NEXT is a modern, next-generation stylish open-source Desktop wallet.


For more information, visit NextWallet here.

Integrated into Blockchain Financial

What is Blockchain Financial?

Blockchain Financial is a set of web based services for individuals and companies that want to make things happen with the Cryptocurrencies Ecosystem. - For those that don't know anything about cryptocurrencies, we offer tools that will let them receive, send and operate with an assortment of coins. - For those that are already riding the wave, we offer tools that will let them do all those things that they weren't able to do.

Blockchain Financials mission

We're not here to reinvent the wheel. We're here to make it run smoother for you, and we provide some of the most useful services you'll find on the internet, made in a way that is easy to understand and use on a daily basis. In short, we're a bunch of people that claim to be Crypto Evangelists. We strongly believe in cryptocurrencies, and our main promise is to push them up so more people get involved and take all the advantages they offer.

More information from Blockchain Financial

Back in 2014, the world was taken by storm when Facebook approved the first cryptocurrencies tipping apps. The first was for Dogecoin, and the second was for multiple coins.
The project was hosted on whitepuma.net, and persisted for almost two years, built up a massive user community and gave a home to Bitcoin, Litecoin, Dogecoin and dozens of other bitcoin-based altcoins.
After very active months, the tipping hype started to fade away. Then, the developers decided to jump into the next stage: bringing not only tipping, but also mining and a widget that could be embedded on websites to allow everyone to accept payments. Sadly, the work was never completed because the project started to require an unsustainable amount of resources. Then, in a painful decision, a shutdown was announced by December 2015.
A couple of months after whitepuma.net was closed, the source code was released by its creator as Open Source on GitHub. But it wasn't maintained.
Now, some of the original members of the dev and admin teams gathered up with a handful of the WhitePuma's elite users, and decided to make something good with the best pieces of the old source code. That, with fresh new ideas and the power of the BardCanvas engine, synthesized the core of Blockchain Financial.
More info about Blockchain Financial wallet on .
For more information, visit [Blockchain Financial](www.blockchainfinancial.com)

Groestlcoin Listed on Huobi

Who are Huobi?

Huobi was founded in China and is now based in Singapore, with offices in Hong Kong, South Korea, Japan and the North America, currently sitting #3 in volume on Coinmarketcap. Huobi is a great leap forward for our growing presence in Asia and we are very excited to be listed here!
You can find the official Huobi announcement here.

Groestlcoin Core v2.16.3 - Please Update ASAP

A new major Groestlcoin Core version 2.16.3 is now available for download which includes both a Denial of Service component and a critical inflation vulnerability, so it is recommended to upgrade to it if you are running a full Groestlcoin node or a local Groestlcoin Core wallet.
v2.16.3 is now the official release version of Groestlcoin Core. This is a new major version release with a very important security updates. It is recommended to upgrade to this version as soon as possible. Please stop running versions of Groestlcoin Core affected by CVE-2018-17144 ASAP: These are 2.13.3 and 2.16.0.
As a result in this, all exchanges and services have been asked to upgrade to this version, so please be patient if wallets go in to maintenance mode on these services.

What's new in version v2.16.3?

This is a major release of Groestlcoin Core fixing a Denial of Service component and a critical inflation vulnerability (https://nvd.nist.gov/vuln/detail/CVE-2018-17144) exploitable by miners that has been discovered in Groestlcoin Core version 2.13.3 and 2.16.0. It is recommended to upgrade to 2.16.3 as soon as possible. If you only occasionally run Groestlcoin Core, then it's not necessary to run out and upgrade it right this second. However, you should upgrade it before you next run it. If you know anyone who is running an older version, tell them to upgrade it ASAP. Stored funds are not at risk, and never were at risk. At this time we believe over half of the Groestlcoin hashrate has upgraded to patched nodes. We are unaware of any attempts to exploit this vulnerability. However, it still remains critical that affected users upgrade and apply the latest patches to ensure no possibility of large reorganizations, mining of invalid blocks, or acceptance of invalid transactions occurs.

The Technicals

In Groestlcoin Core 2.13.3, an optimization was added (Bitcoin Core PR #9049) which avoided a costly check during initial pre-relay block validation that multiple inputs within a single transaction did not spend the same input twice which was added in 2012 (Bitcoin Core PR #443). While the UTXO-updating logic has sufficient knowledge to check that such a condition is not violated in 2.13.3 it only did so in a sanity check assertion and not with full error handling (it did, however, fully handle this case twice in prior to Thus, in Groestlcoin Core 2.13.3, any attempts to double-spend a transaction output within a single transaction inside of a block will result in an assertion failure and a crash, as was originally reported. In Groestlcoin Core 2.16.0, as a part of a larger redesign to simplify unspent transaction output tracking and correct a resource exhaustion attack the assertion was changed subtly. Instead of asserting that the output being marked spent was previously unspent, it only asserts that it exists. Thus, in Groestlcoin Core 2.16.0, any attempts to double-spend a transaction output within a single transaction inside of a block where the output being spent was created in the same block, the same assertion failure will occur. However, if the output being double-spent was created in a previous block, an entry will still remain in the CCoin map with the DIRTY flag set and having been marked as spent, resulting in no such assertion. This could allow a miner to inflate the supply of Groestlcoin as they would be then able to claim the value being spent twice.
Groestlcoin would like to publicly thank Reddit user u/Awemany for finding CVE-2018-17144 and reporting it (https://lists.linuxfoundation.org/pipermail/bitcoin-core-dev/2018-Septembe000064.html). You deserve gratitude and appreciation from cryptoworld, and you have ours. If you want to support him for his work, please consider donating to him on his bitcoin cash address: bitcoincash:qr5yuq3q40u7mxwqz6xvamkfj8tg45wyus7fhqzug5

Groestlcoin Electrum-GRS 3.2.2 - Ledger & Trezor Edition

What is Electrum-GRS?
Electrum-GRS is a lightweight "thin client" groestlcoin wallet Windows, MacOS and Linux based on a client-server protocol. Its main advantages over the original Groestlcoin client include support for multi-signature wallets and not requiring the download of the entire block chain.



Electrum-GRS Mobile Android

What is Electrum-GRS Mobile?

Electrum-grs is a lightweight "thin client" groestlcoin wallet Android based on a client-server protocol. Its main advantages over the original Groestlcoin client include support for multi-signature wallets and not requiring the download of the entire block chain.


Groestlcoin EasyVanity Released

Groestlcoin EasyVanity is a Windows app is built from the ground-up in C# and makes it easier than ever before to create your very own bespoke Groestlcoin address(es), even whilst not connected to the internet! You can even generate multiple keys with the same prefix and leave it on overnight whilst your CPU or GPU collects and stores these addresses locally.
If you're tired of the random, cryptic addresses generated by regular groestlcoin clients, then Groestlcoin EasyVanity is the right choice for you to create a more personalized address.


• Ability to continue finding keys after first one is found • Includes warning on startup if connected to the internet • Ability to output keys to a text file (And shows button to open that directory) • Ability to make your match case sensitive (Where possible) • Show and hide the private key with a simple toggle switch, and copy the private key straight to your clipboard • Show full output of commands • Includes statistics whilst the application is running • Ability to choose between Processor (CPU) and Graphics Card (GPU) • Automatically detects 32 or 64 bit systems • Features both a Light and Dark Material Design inspired Themes • EasyVanity's search is probabilistic, and the amount of time required to find a given pattern depends on how complex the pattern is, the speed of your computer, and whether you get lucky. • EasyVanity includes components to perform address searching on your CPU (vanitygen) and your OpenCL-compatible GPU (oclvanitygen). Both can be built from source, and both are included in the Windows binary package. • Prefixes are exact strings that must appear at the beginning of the address. When searching for prefixes, Easyvanity will ensure that the prefix is possible, and will provide a difficulty estimate. • The percentage displayed just shows how probable it is that a match would be found in the session so far. If it finds your address with 5% on the display, you are extremely lucky. If it finds your address with 92% on the display, you are unlucky. If you stop EasyVanity with 90% on the display, restart it, and it finds your address with 2% on the display, your first session was unlucky, but your second session was lucky. • EasyVanity uses the OpenSSL random number generator. This is the same RNG used by groestlcoin and a good number of HTTPS servers. It is regarded as well-scrutinized. Guessing the private key of an address found by EasyVanity will be no easier than guessing a private key created by groestlcoin itself. • To speed up address generation, EasyVanity uses the RNG to choose a private key, and literally increments the private key in a loop searching for a match. As long as the starting point is not disclosed, if a match is found, the private key will not be any easier to guess than if every private key tested were taken from the RNG. EasyVanity will also reload the private key from the RNG after 10,000,000 unsuccessful searches (100M for oclvanitygen), or when a match is found and multiple patterns are being searched for. • Free software - MIT. Anyone can audit the code. • Written in C# - The code is short, and easy to review.

Groestlcoin Sentinel (Android & Blackberry) – Mainnet + Testnet

What is Sentinel?

Groestlcoin Sentinel is the easiest and fastest way to track/receive/watch payments in your offline Groestlcoin Wallets. Groestlcoin Sentinel is compatible with any standard Groestlcoin address, BIP44 XPUB (Extended Public Key) BIP49 YPUB and BIP84 ZPUB
Groestlcoin Sentinel is a great solution for anyone who wants the convenience and utility of a hot wallet for receiving payments directly into their cold storage (or hardware wallets). Sentinel accepts XPUB's, YPUB'S, ZPUB's and individual Groestlcoin address. Once added you will be able to view balances, view transactions, and (in the case of XPUB's, YPUB's and ZPUB's) deterministically generate addresses for that particular wallet.

What's New?

The P2SH paperwallet supports creating P2SH paperwallets in bulk, keypair generation with QR codes and sweeping tool. Groestlcoin believes strongly in privacy, the live version does not collect and store IP or transaction data.
The BECH32 paperwallet supports creating BECH32 paperwallets in bulk, keypair generation with QR codes and sweeping tool. Groestlcoin believes strongly in privacy, the live version does not collect and store IP or transaction data.

Groestlcoin Web Wallet Update 1.4

What is Groestlcoin Web Wallet?
Groestlcoin Webwallet is an open source, multisignature, HD Wallet and more! Webwallet is a a open source browser based Groestlcoin webwallet.
Webwallet is a playground for Groestlcoin in javascript to experiment with. It supports multisig, OP_HODL, RBF and many more. Groestlcoin believes strongly in privacy, the live version does not collect and store IP or transaction data.
submitted by Yokomoko_Saleen to groestlcoin [link] [comments]

Technologies — InziderX Exchange

Technologies — InziderX Exchange

The InziderX decentralized exchange based on wallet is possible because of two technologies that have recently proved their value. Atomic swap and the Lightning Network.

Atomic Swap
A decentralized platform based solely on user wallet (Dapp) that allows the exchange of assets between these wallets have an ingenious feature: the atomic swap between blockchain.
An atomic swap is the exchange between two digitals assets without the intervention of a third party.
Previously, in all situations of exchange between two parties, it was necessary to use the services of a third party to establish a relationship of trust between users. None of them wants to send their assets first without the assurance that the other party will fulfill its promise.
Since all users trust the third party in their task of transmitting funds between participants only if all conditions are met, they have no hesitation in trading on their exchange.
However, as discussed earlier, the latest hacks on centralized exchanges have eroded this trust to the point of being non-existent. Using these platforms is putting yourself in a hostage position.
The atomic swap avoids this situation with a process called “time hash lock contract”. This option is activated by basic functions written in the code of Bitcoin and most other altcoins.
In action, if Alice wants to sell 50 LTC for 1 BTC and Bob accepts the transaction, a transaction on each of the blockchains is processed. Bob sends 1 BTC into a mulsignatures address to Alice and Alice sends 50 LTC to Bob into a mulsignatures address.
However, the trick is that Alice can only claim 1 BTC if she reveals a secret code (hash). And it’s the same for Bob, so he can only access Alice’s 50 LTC if he reveals his secret code (hash). In the opposite case, each one recovers his assets after a short time (time-lock).
In this way, Alice and Bob can make a safe transaction between themselves without the intervention of a third party and without having to trust each other. Because even if the transactions are carried out on different blockchains, they are in fact interrelated by mutual conditions.
Recap :
1-Alice generates a secret code (hash) and initiates the transaction by sending the LTC into a mulsignatures address that can not be claimed without the secret code.
2-Bob generates a secret code (hash) and initiates the transaction by sending the BTC into a mulsignatures address which can not be claimed without the secret code.
3-At this point, Alice can not claim the BTC and Bob can not claim the LTC.
4-In order to cash the BTC, Alice reveals her secret code (hash) and when Bob uses this code, automatically his hash is transmitted to Alice which releases the BTC.
The secret code (hash) is included in the output of a transaction and then requested in the input to release the funds.
The exchange is atomic because it only occurs if the two transactions are processed, otherwise the exchange is canceled.
This is what the atomic swap allows : an exchange without third parties where the parties do not have to trust each other to negotiate between them.
All they are missing is a market place to meet and make known their intention of exchange.
InizderX will be this agora.
Available pairs
Another advantage is the fact that it is possible to negotiate between them any digital assets listed on the exchange. So that users are not limited to the pairs usually listed.
For example, on a centralized exchange, if the pair BTC / ETH and XRP / BTC are listed, it is not certain that it’s possible to trade the ETH / XPR pair if the centralized exchange does not offer it.
On a decentralized exchange with atomic swap, it is possible to negotiate all the digital assets listed on the exchange between them.
Considering that the InziderX exchange intends to list the twenty digital assets with the most large caps, this makes 180 pairs of digital assets available for trading.


Lightning Network
The Lightning Network is a two-way payment protocol that operates separately from the blockchain, in parallel.
This payment channel allows :

Instant payments on the blockchain without having to worry about block confirmation times.
Security is enforced by smart contracts without creating a blockchain transaction for individual payments.
Capable of millions to billions of transactions per second across the network.
Cheap transactions. By performing transactions separately from the blockchain (off-chain), the Lightning network allows exceptionally low fees, allowing instant micropayments.

The transfer between blockchains. Cross-atomic exchanges can occur off-line instantly with heterogeneous blockchains consensus rules.
As long as blockchains can support the same cryptographic hash function, it is possible to perform transactions on a blockchains without having to trust a third party.
With the functions CheckSequenceVerify (CSV), that blocks the assets for a specific number of blocks and the one of the secret hash, the cryptographic aspect, that atomic exchange, all this is possible.

The advantage of this technology for the InziderX exchange is the liquidity it provides.
The exchange InziderX proposes to create is a marketplace where all other exchanges can connect.
With BIP65 and BOLT, which standardizes the protocols used by network users, all this is possible and will be the reality of tomorrow.
In a way, there will only be one market left. A market connected to markets. Wallets will be just an exchange window to access them.
That’s the vision of InziderX!
Create a wallet that is by itself an exchange that is connected to all exchanges using the same protocols and create a “world order book”.
A relay that integrates the Lightning Network and allows everyone to participate and form a decentralized network of liquidity.
In this way, any liquidity provider, whether it’s another exchange or a private institution that has a market maker program, will be able to connect to our exchange.
The benefits for these liquidity providers are obvious : a new clientele.
The standardization of the protocols used by the users of the networks will allow this ingenious technological advance and will guarantee an unparalleled liquidity to our exchange.
InziderX will be in touch at the opening of its exchange with private liquidity providers and will offer them plans for reduced transaction fees for a defined period that can be renewed if
necessary. We will also establish relays with centralized exchanges whose volume is the largest.
Other network participants who want to connect to our exchange and use the same protocols will have the possibility to add their volume to the order book.

Market Maker Program
The InziderX exchange will establish from its launch a program that favors market makers.
Reduced fees
Limit orders are orders that provide volume to the order book and will be processed with a reduced transaction fee. For example 0.1% instead of 0.02%.
These transaction fees will also be reduced according to the volume of transactions of the user.
Here is an example :
Volume in last 30 days
$ 0 and up 0.1%
$ 100,000 and up 0.08%
$ 250,000 and up 0.07%
$ 500,000 and up 0.06%
$ 1,000,000 and over 0.05%
$ 2,000,000 and over 0.04%
$ 5,000,000 and up 0.0175%
$ 7,000,000 and over 0.00%

Taking the example of the stock market where high-frequency traders receive a premium for placing orders, a portion of the transaction fees charged to all users will be redistributed through a reward program to traders who have the largest volume of transactions.
For example, an institution that maintains a volume of more than $ 10,000,000 of volume executed in the last 60 days will receive a return of 0.01% on placed orders.
This will be a strong motivation for liquidity providers to maintain a volume on our exchange.

Arbitrage is the purchase of an asset at a lower price on an exchange and the sale of the same asset at a higher price on another exchange.
Previously, in order to take advantage of these price differences between centralized exchanges, it was necessary to maintain a portfolio in each of those exchanges and to have twice the negotiated power.
For example, if the price of the BTC is $ 8000 on exchange A and $ 8,500 on exchange B, the trader buys 1BTC in his account on exchange A and sells 1 BTC in his account on exchange B in order to enjoy a gain of $ 500.
With the new technology and protocol standardization, it will be possible for a trader to buy on an exchange and instantly transfer it to another exchange for sale. You do not need to have twice the exchange value.
This will result in a terribly efficient marketplace with tight spreads and reduced slippage.
The InziderX exchange API with its clear and varied controls will automatically manage this type of trades. So that a negotiator will be able to automate all this process from predefined actions in his code and make an instant exchange between them.
The wallet is one of the important elements of a decentralized exchange because it is the tool on which the exchange is based.
It is also the first window that the novice user will have on the world of digital assets. It must be easy to use and intuitive in its design.
Beyond these considerations, it must include the basic and advanced options necessary to support the exchange.

Basic options
- Multicurrency
- Send / receive / contact list
- Historic
- Estimation and adjustment of transfer fees
- Segwit2 Technology

Account value history
A section will display the value of the account according to a given history. It will be possible to establish a chart by selecting the set of digital assets in the portfolio if not one or some. This will be handy for assessing which assets should be prioritized for diversification.
An interesting option in this portfolio is stacking. It allows you to make margin financing and thus make your funds work to accumulate a passive return. The funds are still safe in the wallet.
In addition to the “stacking” it will be possible to mine directly in the portfolio the digital asset INX that supports our exchange. A miner pool will be created and it will be possible to allocate a mining power from your computer to this task.
HD wallets Integration
With the latest advanced blockchain technology revolution such as atomic swap and Lightning Network, it is possible to perform instant transfers that are without risk for both parties.
It is therefore possible to integrate in our exchange other portfolios that use the same technologies. We are therefore studying the possibility of integrating portfolios such as LedgerNano S and Metamask into our exchange.
For those who know the security level of a Nano S key, this is another layer of security to our exchange. So in addition to being decentralized, the user can use a technology that prevents his private keys are held directly on his computer and rather in cold storage with air gap.
This wallet, which includes several modules, will be available in Native — Full node mode or in Electrum mode — light node version which does not oblige the user to download all the transaction history of the assets they wish to negotiate.
Instant and Untraceable Encrypted Message
The wallet includes an anonymous and untraceable encrypted email system based on the blockchain. Knowledge groups can be formed to share real-time insights into the price action of a particular asset.
https://inziderx.io/docs/InziderX.io-Economics.pdf — #InziderX #Exchange #ico

submitted by InziderX to u/InziderX [link] [comments]

Reasons, Concepts and Vision — InziderX Exchange

Reasons, Concepts and Vision — InziderX Exchange
The purpose of this article is to expose the reasons, concepts and vision of the InziderX Exchange and how they take root in the same principle: autarky.

The Reasons

The reasons the InziderX team is developing a decentralized exchange may be obvious to many, but not all. Initially, decentralized exchanges have the advantage of being protected against huge hacks as we have seen since 2014 — more than $ 1.2 billion all together.
Moreover, a true peer-to-peer system has the advantage of being anonym. There is no server so it can not be closed. There is no verification or restriction to transfer funds because it is initially a simple wallet.
These two factors are the main advantages of decentralized exchanges: security and anonymity.
There are some good examples of decentralized exchanges and the first question that comes to mind is why another one? Liquidity is an easy answer. As detailed in our whitepaper, a $ 200 spread on BTC / USD and a slippage of a 2% on entry is simply unacceptable for an active trader.
Filled with “ERC20 token created in 5 minutes” some exchange really don’t help by diluting an already thin volume.
Relying on someone else’s blockchain also have some risk when we look past hard fork. The centralization of the master nodes called witnesses is another factor of consideration.
There is currently no good decentralized trading option for active traders.
Even in centralized exchanges, where we can find liquidity, there are so many missing tools! All users of the trading platform on the Forex market will ask the same questions: why there is no complex order type (Entry + SL + TP) and why orders are aggregated at an average price?!
Even more when we talk about algorithm trading, it can not be covered in a short article.
InziderX Exchange seeks to fill these current gaps: security, liquidity, Forex Pro-Trading tools and API Algorithm.

The Concepts

There are many concepts of “decentralized” exchange and all have advantages and disadvantages: some use limited master nodes or proof-of-stake instead of proof of work.
The main advantage of these two approaches is scaling. The disadvantages are the centralization of the consensual process and the supply necessary to secure the system.
Is there common ground ?! As often, this seems to be the answer.
But the juggling with master nodes, spread across several countries, still shows the weakness of this type of approach.
And some will say that only a proof-of-work system can secure a $ 800 billion market. It’s a strong affirmation worth consideration!
In addition, not everyone wants to transfer their funds into the exchange. “Another wallet and a private key ?!”
The InziderX trading concept is based on wallets. The point here is to have wallets communicate between blockchain — interoperability.
Most wallets are a modified version of Bitcoin Core wallet, a C ++ program. They mainly use request to trigger commands such as sending funds and securing transactions.
By making these wallets communicating via a hub that links them with a P2P system, it is possible to create a fully distributed exchange without centralization. Atomic swap securing transactions with multisigned addresses and the timelock / hash system.
This is the only way to achieve interoperability and avoid some sort of centralization.
Initially, InziderX will create a multi-currency wallet that will hold the assets traded on its exchange.
In a second step, it will allow the direct connection of the external wallets with complete or light node (ie: electrum). In this way, the multi-currency wallet will be convenient, but the standalone wallet will still be available if preferred.
This would also allow the use of physical wallets like Trezor, Leger Nano S or simply online wallet like Metamask.
Scaling is still a problem for the POW system. The 10-minutes confirmations are not well suited to active trading. Part of the process that does not involve a final settlement doesn’t need be on-chain and this is where the POS is a useful tool.
The Lightning Network is actually a kind of proof-of-stake system. The owner of the transactional channel must have the same asset value that he intends to transfer via his channel as security for the users.
The combination of these two technologies at different levels of importance in the transaction process is the path that InziderX Exchange intends to take.

The Vision

The vision of InziderX Exchange is about community. The community is the KEY.
This is why the independence of any external entity is avoided — no server, no master node for the final settlement, no dolly blockchain. It is about empowering the community by giving them a tool that is independent of any outside influence.
This model also has its advantages. Fully developed, it will allow the integration of any participant by shared protocols. Markets and technologies tend to consolidate around some ingenious ideas. BIP, BOLT and other acronym.
InziderX Exchange seeks to create a single market where participants can build a liquidity relay.
A world of markets, the world market.


What about autarky? At all stages of the development of the exchange, autarky is a respected principle.
The reasons for this exchange is to release (!) hostages users of centralized exchange.
The concepts of our exchange, its technology also value the full independence of users.
The vision of InziderX Exchange, the creation of an agora where everyone can join and who does not depend on any external entity, gives power to users and communities.
For a watchful eye of today’s digital asset markets, it is clear that centralized exchanges, as long as they has been an useful option, are now somewhat the problem. InziderX Exchange is the solution.
Become an Inzider
Get you INX!
#InziderX #Exchange #ico https://inziderx.io/
— — — — — — — — — — — — -
I am the CEO of InziderX and I intend in future articles to explain in detail the characteristics of our exchange by dividing the white paper into sections with comments.
Stay tuned!
submitted by InziderX to u/InziderX [link] [comments]

Chrome extension gap limit?

Does anybody know the gap limit on the Bitcoin chrome extension? I've been toying around with Electrum and mass generating addresses, receiving a payment on one of them, which obviously won't show up on the chrome extension. I am curious as to up to how many addresses will the extension check.
submitted by ROFLTI to ledgerwallet [link] [comments]

ELI5: Accepting Bitcoin

I'm more of an UX guy, so here it goes.
I'm using a "m/0/1" derivation path on my master pubkey to generate addresses based on the order number (eg. if the order number is #4224, the public address will correspond to "m/0/4224"). This all happens on my VPS via pybtctool.
Is there a way to "hack" Electrum to show these keys without increasing the gap limit to crazy numbers? So for it to list non-0 balances for the first 100k pubkeys or so? I can generate them using my master privkey in BIP32 and then import them somewhere else, but it's painfully cumbersome.
Is this an acceptable way to accept Bitcoin, in general?
submitted by seahonky to Bitcoin [link] [comments]

Couple of Questions - Response appreciated

Hi, I have a couple of questions:
  1. What is the Gap limit? I mean, if my bip 44 seed has a balance in the address located at 1000th place, with first 999 addresses never used, will Coinomi be able to pick that up? e.g. Electrum's default limit is 25 i think!
  2. If I go to Advanced Settings of Bitcoin, and set the path to 49 instead of 44, to generate addresses starting with 3 ( segwit), will that make my transactions from those addresses segwit?
submitted by authentic-aman to COINOMI [link] [comments]

Hidden funds caused by address gap - what to do?

I use an invoicing product that generates new addresses using my xpub. I had 20 + people create invoices without paying them in time, and now I have funds in address #68. Trezor doesn't scan that far into the empty addresses, neither does my BitPay watch only wallet.
How can I fix this without exposing my private key to something like electrum?
For further explanation: https://www.reddit.com/Bitcoin/comments/5jfyv4/technical_address_gap_limit_a_problem_with/
submitted by 1entreprenewer to TREZOR [link] [comments]

Electrum 2.0 has been tagged | Thomas Voegtlin | Mar 01 2015

Thomas Voegtlin on Mar 01 2015:
Hash: SHA1
Dear Bitcoin devs,
I just tagged version 2.0 of Electrum:
The electrum.org website will be updated later today. The release
notes are a bit dense, due to the large amount of changes and new
features in this release. In the coming weeks we will be adding more
detailed documentation to the wiki and to the website.
There has been a very long hiatus in Electrum releases, because it
took me a lot of time to decide about the new seed derivation method
and wallet structure. Now that this part is done, I hope that we will
resume to a faster release pace.
I would like to thank all the people who contributed to this release,
developers, beta testers, but also people from this list who provided
useful feedback.

Release 2.0

phrase includes a version number, that refers to the wallet
structure. The version number also serves as a checksum, and it
will prevent the import of seeds from incompatible wallets. Old
Electrum seeds are still supported.
and use a gap limit of 20.
P2SH addresses ("2 of 2", "2 of 3").
transactions, that includes the BIP32 master public key and
derivation needed to sign inputs. Serialized transactions can be
sent to cosigners or to cold storage using QR codes (using Andreas
Schildbach's base 43 idea).
"2 of 3" multisig wallets and Google Authenticator. Note that
wallets protected by this service can be deterministically restored
from seed, without Trustedcoin's server.
wallets, to send and receive partially signed transactions.
window that pops up if you click on the QR code
outputs, and raw hexadecimal scripts.
start the daemon if it is not already running, and the GUI will
connect to it. The daemon can serve several clients. It times out
if no client uses if for more than 5 minutes.
keys. A watching-only wallet is created by entering a list of
addresses in the wizard dialog.
wallet files cannot be read by older versions of Electrum. Old
wallet files will be converted to the new format; this operation
may take some time, because public keys will be derived for each
address of your wallet.
the command line:
stable. Another script was added to Android, called Authenticator,
that works completely offline: it reads an unsigned transaction
shown as QR code, signs it and shows the result as a QR code.
Version: GnuPG v1
original: http://lists.linuxfoundation.org/pipermail/bitcoin-dev/2015-March/007620.html
submitted by bitcoin-devlist-bot to bitcoin_devlist [link] [comments]

Using HD wallets for merchant payouts

I run a small online store with many merchant accounts. Currently, I generate a bitcoin address for each purchase then after a few confirmations automatically forward the amount to the merchant's bitcoin address (minus a small fee). I would like to create a system where the merchant is paid directly by the customer (without any fees) and was thinking of using an HD wallet xpub, one per merchant (or possibly product) to accomplish this.
The problem is, there are many people who click on the "buy" button but then do not make the purchase, and addresses cannot be reused. My understanding of HD wallets is that as soon as they encounter an address that has a balance of 0, they stop processing and the result is that the merchant will not see further payments even if they have received some.
Does anyone know if it is possible to accomplish what I want to do? Is there perhaps a specific HD wallet provider that allows you to tweak the settings? I know electrum has a "gap limit" setting, but their HD wallet implementation is still in beta so I can't very well have all my merchants start using that. In any case, is the only option to up the "gap limit" or is there anything else that can be done?
Maybe it is not as big of a problem as I think it is to republish a previously published address after a certain timeout? Thus filling in all the gaps over time.
submitted by alkazar82 to Bitcoin [link] [comments]

BitcoinShirt - YouTube Bitcoin Fees and Unconfirmed Transactions - Complete Beginner's Guide Introduction: How to Create an Online Store and Accept Bitcoin RaiBlocks Offline Signing (Air-Gapped Wallet) 13. Learn how to Backup your Bitcoin Seed on SEEDPLATE metal backup.

I'm in pain accepting bitcoin payments through woocommerce, using your cool secure wallet.. I'd like to better understand what the recommended approach is, because merchant services are still recommending using Electrum and changing the gap limit. I imagine that's hard on Electrum servers, so if there's a better way, I'd like to know it. Increase gap limit: Electrum allows to set custom gap limit. Warning: This can break compatibility when you attempt to recover your funds; Manually send funds to fill gap limit: For this you can use tools like hd-wallet-address that will show you addresses according to derivation path. You can send small amount fund like 0.00001 BTC at location In the Electrum console window enter: wallet.storage.put('gap_limit',100) You can also edit the wallet file manually but above is the preferred method. Not sure if maybe you need to close and re-open the wallet. The gap limit is the lookahead window that Electrum uses when searching for transactions relevant to your wallet. If you changed the gap limit of your wallet before you may have to do it again. To change the gap limit go to view menu > show console, switch to console tab, type in the following and press enter: wallet.change_gap_limit( 50 The Gap Limit has been hidden from the UI as it was unnecessarily complicated for normal users, and it is not a good method for merchants. If you need to change the gap limit, enter this in the Console tab and restart the client (Tested with Electrum 3.0): wallet.change_gap_limit(10) wallet.storage.write()

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BitcoinShirt - YouTube

Air-Gap and Cyber Security: Can We Rely on an Air-Gap to Secure our Critical Systems? ... How To Use Electrum Bitcoin Wallet - Duration: 32:07. MD Interactive 14,531 views. 32:07. In this guide you will learn how to setup a Bitcoin Air-Gap 2-of-3 Multisig Wallet and import into Electrum. The next video #11 (https://youtu.be/De6FDsf-UvA... 7.4 Testing the Checkout process - BTCPay Server test, making a test purchase, Electrum Gap limit - Duration: 6 minutes, 52 seconds. In this video you will learn how to permanently "engrave" your Bitcoin Wallet 24 words (BIP39) Seed backup on SEEDPLATE metal backup system. Get your SEEDPLA... How to Buy Bitcoin on Coinbase and Move it to the Electrum Bitcoin Wallet - Duration: 12:43. Rex Kneisley 11,173 views. 12:43. How To Receive Bitcoin In To Your Luno Account - Duration: 4:28.

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