Testnet You are browsing the Gridcoin test chain; its coins have no value.Coins have no value. Go to mainnet →

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Block versions

The versions of the chain's blocks: when each one began and what it changed. A new version is a fork the whole network moves to together.

In forcev14the version of the newest block
Since2026-03-18block 3 126 500
Blocks on it208 365so far
Versions in all10since the first block

Every block version

newest first
Every block version with its first block and date
VersionBegan (UTC)First blockBlocksWhat it changed
v14 in force 3 126 500208 365 Relative time locks (BIP68 and BIP112), hash time locked contracts (HTLC) and version 3 beacons with a proof of the BOINC account.
v13 2 870 000256 500 Mandatory side-staking, the third version of the superblock contract, the AutoGreylist of projects, a changeable magnitude weight factor and magnitude unit, and an enhanced constant block reward. It lasted 200 blocks, the switch to version 14.
v12 1 871 830998 170 Manual research claims (MRC): a researcher can claim the research reward in a transaction of their own; the stake pays more outputs for them.
v11 1 301 500570 330 Contracts (beacons, polls, votes, projects) are validated from the transactions of the chain, with new transaction fees and the recovery of a beacon.
v10 629 409672 091 Stake splitting and side-staking: a stake may pay up to 8 outputs instead of 3.
v9 399 000230 409 The superblock quorum and the tally of research rewards from the superblocks begin (the wallet loads its superblock cache from this version).
v8 312 00087 000 The V8 stake engine, which fixed several security issues of the stake. It was set to begin at block 1,010,000.
v7 2 061309 939 No note yet.
v6 12 060 No note yet.
v1 01 The first block of the chain.

The first block of a version and its time are the chain's; what a version changed is read from the wallet's source and its changelog.

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