docs/design/base-unit.md: where every amount lives (UTXO value, entry, mass view, coinbase and its payload, fees, script introspection, p2p, gRPC, RPC model, JSON and wasm, wallet, UTXO index, the exec bridge, pool accounting, pool software, app display, observer and public stats, the manifest), the u128 Amount type, the serialisation and versioning table (tx version 2 for the 16-byte value, a store schema version with the u64 legacy decode, two uint64 varints on the wire with the low word on the existing field number), the EVM side (1 IGN = 10^18 wei, the bridge the identity), the devnet unchanged at 8 with its digest unmoved, the display rule (8 visible digits), the hostile review (the u64 pool share overflow, the ramp, the 66-period table, the floor at the finer unit, the storage mass constant at 10^22, dust and the relay floor, MAX_SOMPI, KIP-10 script numbers, JavaScript precision, the wrong-unit peer, the half-widened binary, Postgres bigint), the measurement (+8 B per UTXO on disk, +17 B in memory, +6.4 B per output on the wire) with the consequences by tier, and phase B in ten commits with hours (26). Spec 2.5 carries the proposed Decided sentence and the 18-decimal rate; 06-open-items O-2.6 proposed decided with its gate B10; fud-ledger E22; fork-divergence row for the fork commits (3158571c, fa61e035, fcd6b6e9, 6d5f2488 on the box mirror, branch decimals); bench-log "Base unit widening cost"; public-stats unit note; ledger-decisions row 5 lane state.
Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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