Block details.
Epoch: 40 Number of transactions in block: 2 slot_no: 868477 epoch_slot_no: 4477 block_no: 868380 slot_leader_id: 12 size: 1525 time: 2018-04-12 22:37:11 proto_major: 0 proto_minor: 1 hash: \x128c5d69123e9138c81363e0237ca6b5d6c00aa44ff8fb4c595f88fda16760a7Block Operator
vrf_key: op_cert: op_cert_counter: