Welcome to the Blockchain
Bitcoin empowers you to be your own bank—take control of your money and start using decentralized finance today!
Key Features
Open Source
Coinb.in is a JavaScript-based, MIT-licensed wallet, ensuring transparency and freedom to modify.
MultiSig Support
Securely manage funds with offline-compatible multi-signature addresses—ideal for shared accounts or enhanced security.
Raw Transactions
- Create, verify, sign, and broadcast custom transactions.
- Supports advanced scripting (e.g., time-locked contracts via
OP_CHECKLOCKTIMEVERIFY).
Wallet Tools
- Generate SegWit (bech32) and legacy addresses.
- Calculate transaction fees dynamically.
Development-Friendly
- Integrate Coinb.in’s API into your projects (documentation coming soon).
- Contribute via GitHub.
How It Works
1. Address Generation
- Regular, HD, or SegWit addresses.
- Manual key storage required (keys never leave your browser).
2. MultiSig Setup
- Combine up to 15 public keys.
- Set threshold signatures (e.g., "2-of-3").
3. Transaction Flow
- Create raw hex.
- Verify inputs/outputs.
- Sign offline.
- Broadcast to the network.
FAQ
Is Coinb.in secure?
Yes—private keys are client-side generated. The code is auditable on GitHub.
Can I use Coinb.in offline?
Absolutely! Download the repo for air-gapped transactions.
What’s the recommended fee?
Fees adjust based on network congestion. Use the built-in fee calculator.
About Coinb.in
- Version 1.7, compatible with Bitcoin Core.
- Tor-enabled: Access via
coinbin[.]onion. - No IP/tx data collected.
Donate: Support development at 33tht1bKDgZVxb39MnZsWa8oxHXHvUYE4G.
Powered by MIT License & community contributions.
Pro Tip: Host Coinb.in locally for maximum privacy! GitHub Download.