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.
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.
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 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.
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 Multisig Redeem Script:
(40 byte limit)
The locktime indicates the earliest time a transaction can be added to the block chain.
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
| Txid | N | Script | Signed? | MultiSig? |
| Address | Amount | Script |
WIF key
The above wif key has been decoded
Address:
Public key:
Private key:
Is compressed:
HD Address
Key Derivation
The path of key derivation
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.
Broadcast Transaction into the bitcoin network
Enter your hex encoded bitcoin transaction
Development Javascript framework, API and more
About open source bitcoin wallet
Version 1.1 by OutCast3k
Compatible with bitcoin-qt
Github https://github.com/OutCast3k/coinbin/
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!
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!