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

Open Source

Coinbin is an open source web based wallet written in javascript and released under the MIT license which means it's 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 & can calculate your own fee!

Addresses

We support regular addresses, multisig, segwit / bech32 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.

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

  • 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?

  • Custom Seed or Brain Wallet

New Multisig Address Secure multisig address

Public keys can be generated in your browser 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 (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.

Lock Time

The locktime indicates the earliest time a transaction can be added to the block chain.

Replace By Fee (RBF)

Make this a RBF transaction.

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 a transaction you can sign and then broadcast 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/

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.