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!

Open Source

Coinbin is an open source web based wallet written in javascript and released under the MIT license which means its free to use and edit.

MultiSig

We offer a fully transparent multisig solution which works seamlessly offline and with other bitcoin clients.

Raw Transactions

Create, verify, sign and broadcast custom raw transactions online with advanced features and minimal effort!

Wallet

Quick access to an online wallet where only you have access to your own private keys!

Addresses

We support regular addresses but also multisig and stealth, and 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.

Open Wallet browser based bitcoin wallet

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 (Share)

Public key (Share) Private key (WIF key)

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 Multisig Address Secure multisig address

Public keys can be generated in your browser or from your bitcoin client.

Enter the public keys of all the participants, to create a multi signature address. Maximum of 15 allowed. Compressed and uncompressed public keys are accepted.

Enter the amount of signatures required to release the coins

New HD Address making bip32 even easier

Use the form below to generate a master hierarchical deterministic address.

xPub Address

xPrv Address

Address Options

You can use the advanced options below to generate different kinds of master addresses.

Custom Seed or Brain Wallet

Transaction Create a new transaction

Use this page to create a raw transaction

Address, WIF key or Multisig Redeem Script:

Advanced Options

Outputs (0.00000000)
Inputs (0.00000000)

Enter the address and amount you wish to make a payment to.

Address

Amount

Enter the details of inputs you wish to spend.

Transaction ID:

Script

Amount

Transaction Fee

Verify transactions and other scripts

Enter the raw transaction, redeem script, pubkey, hd address or wif key to convert it into a readable format that can be verified manually.

Transaction Script

The above script has been decoded

Version:

Transaction Size:

Lock time:

Inputs

Txid	N	Script	Signed?	MultiSig?

Outputs

Address	Amount	Script

HD Address

The key has been decoded

Type

Chain Code

Key

Version

Parent FingerPrint

Depth

Index

Key Derivation

The path of key derivation

Path

Index (Start)

Index (End)

Keys

Keys derived from the hd address provided

Index	Address	Private Key (WIF)	Extended xPub	Extended xPrv

Sign Transaction once a transaction has been verified

Once you have verified a transaction you can sign and then broadcast it into the network.

Private key

Broadcast Transaction into the bitcoin network

Enter your hex encoded bitcoin transaction

Development Javascript framework, API and more

This section is currently under development and is subject to change.

About open source bitcoin wallet

Version 1.2

Compatible with bitcoin-qt

Github https://github.com/OutCast3k/coinbin/

TOR 4zpinp6gdkjfplhk.onion

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 for more information.

Information

Coinb.in is a free and open source project released under the MIT license, originally by OutCast3k in 2013. Discussion of the project can be found at bitcointalk.org during its early testing stages when its primary focus was to develop a proof of concept multisig solution in javascript.

Coinb.in is run and funded by the generosity of others in terms of development and hosting.

Privacy

Coinb.in beleives strongly in privacy, not only do we support the use of TOR, the site does not collect and store IP or transaction data via our servers nor do we store your bitcoins private key. We do use google analytics to track hits and route traffic via cloudflare using an SSL certificate.

Donate

Please donate to 1CWHWkTWaq1K5hevimJia3cyinQsrgXUvg if you found this project useful or want to see more features!

Settings making coinb.in even better!

These simple settings below make coinb.in one of the most decentralized wallets in the world.

Network:

Select which network you'd like to use for key pair generation.

Broadcast:

Select the network you wish to broadcast the transaction via

Unspent outputs:

Select the network you wish to retreive your unspent inputs from

This page uses javascript to generate your addresses and sign your transactions within your browser, this means we never receive your private keys, this can be indepently verified by reviewing the source code on github. You can even download this page and host it yourself or run it offline!