Block commit

Follows the same steps as a normal transaction as it sends the funds to a given address + has the OP_RETURN return its Stacks block value hashed
Mined on testnet with the current miner
Won some Stacks blocks
The OP_RETURN can be checked from each Bitcoin transactions to commit a block by selecting Details in the Inputs & Outputs section
The Mempool Open Source Project™
mempool
Bitcoin Stacks block commit transaction