Response: Block (“block”)

Provides the contents of a block.

Message Format

Field	Length	Format	Description
version number	4 bytes	signed integer	The block format version number.
previous block hash	32 bytes	bytes	The hash of the block preceding this one in the blockchain.
merkle root	32 bytes	bytes	The root hash of the merkle tree comprised of the block's transactions.
timestamp	4 bytes	unix timestamp(LE)	The time the block was generated.
hash target	4 bytes	compressed target	The target that the hash of this block is expected to satisfy. See Target.
nonce	4 bytes	bytes	Nonce used to update the block hash during mining. See Proof of Work.
transaction count	variable	variable length integer	The number of transactions in the block (and therefore following in this message).
transactions	variable	transaction_count transactions	The transactions contained within this block, formatted the same way they are in a tx message.