Block-anchored current UTXO evidence
UTXO Spendability Evidence
An auditable current-UTXO inventory for outputs the classifier determines are mathematically unspendable, seeded at a block anchor and then extended reorg-safely as canonical blocks arrive. It is separate from the Deterministic Supply Event Ledger and does not infer lost keys, intent, liquidity, or market float.
Current classifications and evidence routes
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How to read this inventory
This is a classification of the current UTXO set, not a historical list of outputs that may already have been spent and not an estimate of lost bitcoin. Every outpoint has one primary classification under the published precedence order. When more predicates match, the detail table records them as Also matches; those overlaps are audit information and are not counted again.
Ledger contract
The initial inventory is a one-time, auditable UTXO snapshot. Thereafter the S3 shadow appends matching outputs from new canonical blocks; a reorg removes those rows in the same transaction that reverses aggregate totals. The API refuses to present a complete inventory unless its rows reconcile exactly to the current primary-classification aggregate. Read the full method and classifier pin →