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Bitcoin block database

bitcoin block database

normal initial sync it treats each block offered by a peer as invalid until proven otherwise. Visit API PricesFind the top cryptocurrencies' market data including price charts and price lookup, market cap, and return on investments. Dat Storage for keys, transactions, metadata, and options. The earlier files will never change. Address, Transaction,or, block, bitcoin, ethereum. You can also store, bitcoin data files in any other drive or folder. Xxx Used by BDB.

Blocks/index this is a LevelDB database that contains metadata about all known blocks, and where to find them on disk. Therefore, you should only copy block databases from Bitcoin installations under your personal control, and only over a secure connection. So yes, everything but the block data itself is indeed redundant, as it can be rebuilt from. Block timestamp bits bigint Compact Bits encoding the required difficulty target this blocks hash satisfies nonce bigint Nonce used to make the block header yield the correct hash blk_size integer Size of the block in bytes chain integer Chain this block has been sorted into. Bitcoin, cash, testnet, bitcoin, bitcoin, cash.

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This is usually far faster than doing the normal initial sync over again. Without it, you could still theoretically do validation indeed, but it would mean a full scan through the blocks (207 GB as of march 2019 - m/charts/blocks-size ) for every output being spent. Headers id integer, internal ID hash bytea, block hash in binary height integer, height in the blockchain version bigint, protocol Version prev_hash bytea, hash of the previous block this one builds on, in binary mrkl_root bytea, root hash of the merkle tree of all transactions. Explorer, all Blockchains, all Blockchains, mainnet, bitcoin, ethereum. If you have already downloaded the data then you will have to move the data to the new folder. Log Bitcoin 's verbose log file. Saved just before program shutdown, and read in at startup. Locks subdirectory.8 and above Contains "undo" data. They are only needed for rescanning missing transactions in a wallet, reorganizing to a different part of the chain, and serving the block data to other nodes that are synchronizing.