Lightning & nodes

Cashu specifications

Protocol specifications for interoperable Cashu e-cash tools.

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01 / What it does

What it does

The NUTs repository documents Cashu protocol conventions and optional features for mints and wallets. Each document has its own scope and implementation support. Check which features a mint and wallet actually implement, and review token redemption and trust assumptions separately from protocol compatibility.

Features & requirements

Custody
Not applicableSource · 8 Oct 2026 ↗
Platforms
Source codeDeveloper source package, not a hosted wallet account.Source · 8 Oct 2026 ↗
Bitcoin support
Bitcoin-related serviceE-cash claims depend on the mint or federation; they are not an on-chain BTC balance.Source · 8 Oct 2026 ↗
Sources & freshness

Sources & freshness

1Bitcoin editorial ↗Source refreshed · 8 Oct 2026

Editorial review · 8 Oct 2026

Imported records link to their sources. An entry is a discovery aid, not an endorsement.