Bitcoin Core (formerly Bitcoin-Qt) is the third Bitcoin client, developed by Wladimir van der Laan based on the original reference code by Satoshi Nakamoto. It has been bundled with bitcoind since version 0.5. Bitcoin-Qt has been rebranded to Bitcoin Core since version 0.9.0 .
Bitcoin Core can be used as a desktop client for regular payments or as a server utility for merchants and other payment services.
Source code (and build instructions for supported platforms) can be found on the Bitcoin GitHub page.
- Most popular software implementation of a bitcoin full node. Provides trustless validation that all of bitcoin's consensus rules are being followed.
- Has an RPC interface allowing developers to interface with Core and access the bitcoin currency trustlessly.
- Has a GUI frontend, Bitcoin-Qt, allowing ordinary users to use bitcoin with full validation.
- Compatibility with Linux (both GNOME and KDE), Mac OS X and Windows
- All functionality of the original wxWidgets client
- Asks for confirmation before sending coins
- CSV export of transactions
- Clearer transaction list with status icons and real-time filtering
- Progress bar on initial block download
- Languages: Dutch, English, German, Chinese and many more. Translations are being done by volunteers on Transifex.
- Sendmany support in UI (send to multiple recipients in one transaction)
- Multiple unit support, can show subdivided bitcoins (mBTC, µBTC) for users that like large numbers (only decimal units)
- Splash screen that details progress
- Debug window
- Payment requests (BIP 70)
- Coin control
- Download link at bitcoin.org
- Version history
- Bitcoin Core website
- Forum thread (includes screenshots)
- Current GitHub repository shared with bitcoind
- https://gavintech.blogspot.co.uk/2012/03/full-disclosure-bitcoin-qt-on-windows.html, Full disclosure: Bitcoin-Qt on Windows vulnerability, 21st October 2012
- https://nvd.nist.gov/vuln/detail/CVE-2012-4682, Vulnerability Summary for CVE-2012-4682, 21st October 2012
- "Bitcoin Core version 0.9.0 released". Bitcoin.org. https://bitcoin.org/en/release/v0.9.0. Retrieved 19 March 2014.