Online blockchain

bitcoin blockchain

Bitcoin Wallet by

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 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!

Addresses

We support regular addresses, multisig, segwit 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

Logout Welcome to your wallet, enjoy your stay!

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.

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.

SegWit Address (Share)

Address Options

You can use the advanced options below to generate different kind of keys and addresses.

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

Payment should be made to this address:

This script should be saved and should be shared with all the participants before a payment is made, so they may validate the authenticity of the address, it will also be used later to release the bitcoins.

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.

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

Enter the public key that will be able to unlock the funds after the a certain date.

Enter the date and time or blockheight required to release the coins:

Payment should be made to this address:

This script should be saved and should be shared with all the participants before a payment is made, so they may validate the authenticity of the address, it will also be used later to release the bitcoins.

New HD Address making bip32 even easier

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

Address Options

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

Transaction Create a new transaction

Use this page to create a raw transaction

Address, WIF key or Redeem Script:

Clear existing inputs when new inputs are loaded.

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.

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

Replace By Fee (RBF)

The settings page can be used to select alternative networks of which you can retrieve your unspent outputs and broadcast a signed transaction into.

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

Enter the details of inputs you wish to spend.

The transaction below has been generated and encoded. It can be broadcasted once it has been signed.

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.

Redeem Script

The above redeem script has been decoded

Signatures Required from

Transaction Script

The above script has been decoded

WIF key

The above wif key has been decoded

Public key

The above public key has been encoded to its address

HD Address

The key has been decoded

Key Derivation

The path of key derivation

Keys derived from the hd address provided

Sign Transaction once a transaction has been verified

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

The above transaction has been signed:

Broadcast Transaction into the bitcoin network

Enter your hex encoded bitcoin transaction

Development Javascript framework, API and more

About open source bitcoin wallet

Compatible with bitcoin-qt

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.

If you are looking to buy some Bitcoin try LocalBitcoins.com.

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 route traffic via cloudflare using an SSL certificate.

Support

We recommend that you first check our service status page, if the problem persists you can contact us by emailing supportcoinb.in.

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.

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

Select the network you wish to broadcast the transaction via

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 independently verified by reviewing the source code on github. You can even download this page and host it yourself or run it offline!

Please confirm

You are about to send a transaction to the value of 0.00 BTC

Below is a copy of the transaction we tried to submit

qrcode

qrcode scanner

Transaction Mediation

You can add a public key when creating a 2-of-3 multi signature address and for a low fee your mediator will help with the recovery of the funds should any disputes arise.

Should a dispute arise please contact the below address for further information

[kw]Blockchain wallet open source[/kw]

Related video: How to prune the blockchain in Bitcoin-Qt



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