Proof of Space / Storage chains

Chains whose next block is chosen by proving reserved disk space — a "plot" laid down in advance, then queried against a challenge. Energy cost is closer to a running hard drive than a running ASIC; the collateral is storage rather than staked coin or burned electricity.

Chains counted
3
Combined market cap
$1.1B
Snapshot
24 September 2026
#AssetConsensusMarket cap
32 FilecoinFIL PoRep + PoSt (Expected Consensus) $773M
46 ArweaveAR SPoRA (proof of access) $286M
100 ChiaXCH Proof of Space and Time $29M

Methodology — the rules under which each chain's family was decided. Wrapped, staked and pegged claims are listed separately and never counted toward this total.