Bitcoin Core Wallet.dat Exclusive Jun 2026

Historically, Bitcoin Core used the Berkeley DB format. Recent versions have transitioned to SQLite for improved reliability and performance.

Why? To allow robust backups: if you back up wallet.dat today, you can generate up to 1000 new addresses tomorrow and still recover funds sent to them from that old backup. Bitcoin Core Wallet.dat

To access funds from an old or backup wallet.dat file, follow these steps: Bitcoin Core Wallet Recovery | ReWallet Historically, Bitcoin Core used the Berkeley DB format