Shorter target cadence.
ms vote pace −25%
MIP-12 is Final. Its target vote pace changed from 400ms to 300ms and activated on Monad mainnet at round 89,758,000 on July 23, 2026 (about 14:30 UTC). Target cadence does not guarantee observed block latency or finality.
The information on this page should not be quoted. Please refer to MIP-12 for the authoritative spec.
What actually changes
The target vote pace and four per-block parameters changed. The cards show the exact before-and-after values.
Transactions per block
tx_limit
The most transactions that can be packed into a single block.
Compute per block
proposal_gas_limit
200,000,000 → 150,000,000
The total computation a block is allowed to do. “Gas” is the EVM's unit for compute.
Data per block
proposal_byte_limit
2,000,000 → 1,500,000 bytes
The largest a single block can get, measured in bytes.
Block reward
block_reward
The MON paid to the validator that proposes a block.
Why turn down every dial?
At the nominal target cadence, the 25% lower per-block transaction, gas, and byte limits keep those capacity limits per second unchanged: 12,500 transactions, 500 million gas, and 5 million bytes. The reward falls from 25 to 18 MON per block (28%); at the target cadence, that changes issuance from 62.5 to 60 MON per second, rather than keeping it identical.
400 ms · 3 blocks
300 ms · 4 blocks
same 1.2s target window · per-block transaction, gas, and byte limits fall 25%
What it touches
This consensus-layer change does not alter execution-layer behavior. The 300ms target cadence does not guarantee any specific observed latency or finality.
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