Data Directory FilesΒΆ

Files within the zcashd data directory (~/.zcash/) on Linux unless otherwise specified) include:

File Description
zcash.conf contains configuration settings for zcashd stores the process id of zcashd while running
blocks/blk000*.dat block data (custom, 128 MiB per file)
blocks/rev000*.dat block undo data (custom)
blocks/index/* block index (LevelDB)
chainstate/* block chain state database (LevelDB)
database/* BDB database environment
db.log wallet database log file
debug.log contains debug information and general logging generated by zcashd
fee_estimates.dat stores statistics used to estimate minimum transaction fees and priorities required for confirmation
peers.dat peer IP address database (custom format)
wallet.dat personal wallet (BDB) with keys and transactions (keep private, back this up!)
.cookie session RPC authentication cookie (written at start when cookie authentication is used, deleted on shutdown)
.lock data directory lock file (empty)
testnet3/* contains testnet versions of these files, except zcash.conf, if running -testnet
onion_private_key cached Tor hidden service private key for -listenonion