## Coinb.in Welcome to the Blockchain # Bitcoin. It's your money! Be your own bank, take control of your own money and start using Bitcoin today! [Learn more ยป](/content/coinb-in/#about/index.html) * * * ### Open Source Coinbin is an open source web based wallet written in javascript and released under the [MIT license](/content/coinb-in/LICENSE/index.html) which means it's free to use and edit. ### MultiSig We offer a fully transparent [multisig](/content/coinb-in/#newMultiSig/index.html) solution which works seamlessly offline and with other bitcoin clients. ### Raw Transactions [Create](/content/coinb-in/#newTransaction/index.html), [verify](/content/coinb-in/#verify/index.html), [sign](/content/coinb-in/#sign/index.html) and [broadcast](/content/coinb-in/#broadcast/index.html) custom raw transactions online with advanced features and minimal effort! ### Wallet Quick access to an [online wallet](/content/coinb-in/#wallet/index.html) where only you have access to your own private keys & can [calculate your own fee](/content/coinb-in/#fees/index.html)! ### Addresses We support [regular addresses](/content/coinb-in/#newAddress/index.html), [multisig](/content/coinb-in/#newMultiSig/index.html), [segwit / bech32](/content/coinb-in/#newSegWit/index.html) and stealth all with access to your own private keys! ### Development Use what we've built to write your own projects! See our documention (coming soon), or contribute at [github](https://github.com/OutCast3k/coinbin/). ## Open Wallet browser based bitcoin wallet Use the form below to open a wallet and begin using this service. **Notice**: Different email address and password combination will open different wallets, be careful when entering your details as lost accounts can not be recovered! ### Advanced Options - Segregated Witness Address Use a segwit address instead of a regular address. _(recommended)_ - p2sh address - bech32 address - Enable Replace by Fee (RBF) Enable RBF on all transactions, allowing you to manually raise the transaction fee later if required. _(recommended)_ ### SegWit - SegWit - SegWit/Bech32 - Legacy - 0.00 BTC - Spend - History - [Buy](https://localbitcoins.com/?ch=173j) - Keys ### New Address create a new address Any keys used you will need to manually store safely as they will be needed later to redeem the bitcoins. ### Address Options You can use the advanced options below to generate different kind of keys and addresses. - Compress (recommended) - Custom Seed or Brain Wallet - Encrypt Private Key with AES-256 Password ### New SegWit Address Smaller & Faster Transactions Any keys used you will need to manually store safely as they will be needed later to redeem the bitcoins. ### Address Options You can use the advanced options below to generate different kind of keys and addresses. - Enable [Bech32](https://en.bitcoin.it/wiki/Bech32)? - Custom Seed or Brain Wallet ### New Multisig Address Secure multisig address Public keys can be [generated in your browser](/content/coinb-in/#newAddress/index.html) or from your bitcoin client. ### Need a Mediator? Enter the amount of signatures required to release the coins Address Payment should be made to this address: ### New Time Locked Address Coins can be released only after a certain date Use _[OP_CHECKLOCKTIMEVERIFY](https://github.com/bitcoin/bips/blob/master/bip-0065.mediawiki)_ (OP_HODL) to create a time locked address where the funds are unspendable until a set date and time has passed. ### New HD Address making bip32 even easier Use the form below to generate a _master_ hierarchical deterministic address. ### Transaction Create a new transaction Use this page to create a raw transaction **Address, WIF key or Redeem Script**: ### Null Data(80 byte limit, _40 bytes recommended_) Allow data to be sent within the transaction and stored in the blockchain by using [OP_RETURN](https://bitcoin.org/en/developer-guide#null-data). ### Lock Time The [locktime](https://bitcoin.org/en/developer-guide#locktime-and-sequence-number) indicates the earliest time a transaction can be added to the block chain. ### Replace By Fee (RBF) Make this a [RBF transaction](https://en.bitcoin.it/wiki/Transaction_replacement). ### Donate! Enter the address and amount you wish to make a payment to. ### Bitcoin Fee Calculator This page will give you a guide on the lowest fee to use to get your transaction included within the next few blocks. ### Recommended Fee: 0.00000000 BTC for a transaction of 0 bytes **0** ### Blockchain Data This is based on us comparing your transaction against a very recent transaction found in a very recent block ### Inputs | Txid | N | Script | Signed? | MultiSig? | | --- | --- | --- | --- | --- | ### Outputs | Address | Amount | Script | | --- | --- | --- | ### WIF key The above wif key has been decoded ### Sign Transaction once a transaction has been verified Once you have [verified](/content/coinb-in/#verify/index.html) a transaction you can sign and then [broadcast](/content/coinb-in/#broadcast/index.html) it into the network. ### Development Javascript framework, API and more This section is currently under development and is subject to change. ## About open source bitcoin wallet Version 1.4 Compatible with bitcoin core Github [https://github.com/OutCast3k/coinbin/](https://github.com/OutCast3k/coinbin/) ### What is Bitcoin? Bitcoin is a type of digital currency in which encryption techniques are used to regulate the generation of units of currency and verify the transfer of funds, operating independently of a central bank. See [weusecoins.com](http://www.weusecoins.com/) for more information. ### Information Coinb.in is a free and open source project released under the MIT license, originally by [OutCast3k](https://bitcointalk.org/index.php?action=profile;u=34834) in 2013.