Blocks

Blocks are the building blocks of blockchains and rollups. A block contains transactions which contains instructions which will alter the state of the solana blockchain incrementally. Transactions within a block can only be executed one after the other, not in parallel. Instructions within a transaction can only be executed one after the other, not in parallel.

Learn more in the official Solana documentation here.

Table Columns

Column Name
Description
Example

slot

The time of the slot and also block. Within the time window of a slot a block may or may not be proposed and voted upon. Only non-empty slots are indexed.

276304227

height

The number of blocks beneath the current block. The first block after the genesis block has height one. height < slot as some each slot as at most 1 block. blocks < 81032053 have no block height

255661589

timestamp

The time when the slot was included on the blockchain. blocks < 39824214 have no block timestamp

2024-07-08 02:16:54.000

hash

Unique identifier for that slot. (base58)

36KR3aiVEZYSJDb8wgWBWpXbYykuz3BJagFRMhFijKxA

parent_slot

Slot number of the non-empty slot preceding this slot

276304226

previous_block_hash

Unique identifier of the non-empty slot preceding this slot

2ymHtgWXKxVf5BVVdt34onGrkUm7oDCHTMBBzkJt1rsV

transaction_count

Number of transactions in the block

875

nonvoting_transaction_count

Number of nonvoting transactions in the block

441

reward_count

Number of rewards in the block

1

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