coinbin hosted at opreturn.net .

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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

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.

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 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 or 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 Redeem Script:

Advanced Options

Donate!

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

Enter the details of inputs you wish to spend.




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. It works by predicting the size of a transaction and comparing it to another transaction in a recent block to determine an appropriate fee.

Recommended Fee: 0.00000000 BTC
for a transaction of 0 bytes

? Sat/Byte
0
Inputs

0 Bytes

Regular Compressed 1 148 bytes

SegWit 0 0 bytes

MultiSig 0 0 bytes

Hodl Time Locked 0 0 bytes

Unknown 0 0 bytes


0
Outputs

0 Bytes

Regular p2pkh (1...) 2 68 bytes

Regular p2sh (3...) 0 0 bytes



Chargable Transaction Size: 0 bytes


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.



Sign Transaction once a transaction has been verified

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



Advanced Options

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 1.6

Compatible with bitcoin core

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.

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.

Coinb.in is kindly hosted by BitVPS.com.

Privacy

Coinb.in believes 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 and then blog page which has multiple guides. However if the problem persists you can contact us by emailing support{at}coinb.in.

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