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.
| # | Asset | Consensus | Market 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.