The reference Bitcoin implementation — a full node and wallet; the ground truth of the network.
| Type | Command-line wallet |
|---|---|
| Custody | Self-custody — the user holds the keys |
| Platforms | Windows, macOS, Linux |
| Open source | Yes — source code |
| Multisig | Yes |
| Account / KYC | No identity verification |
| Official site | bitcoincore.org |
Bitcoin Core has not been reviewed for the site's security record yet. The record counts only the maker's own failures — a firmware or app bug, a poisoned update, a breached vendor, weak key generation — and is kept in the wallet hacks review.
Bitcoin.
Yes. Its source code is public at https://github.com/bitcoin/bitcoin.
Yes. Bitcoin Core can hold one key of a multi-signature wallet, where several keys on separate devices are needed to move funds — the setup that survives any single wallet failing.
No. Bitcoin Core is self-custody: the user holds the keys, and nobody else can move the funds.
The wallets directory compares every wallet by type, custody and the coins it holds. A wallet's place there is not for sale.