Nostr Nonce Verifier NIP-01 & NIP-13

Verify canonical SHA-256 Event IDs, leading zero bits, and committed nonce tags from JSON or NIP-19 identifiers.

Nostr Event JSON Object

Bech32 Identifier (note1..., nevent1..., naddr1..., or 64-char hex ID)

Fallback Relays (comma-separated WebSocket URLs)

Actual PoW Difficulty 0 bits 0 leading hex zeros

Committed Target None No target specified

Nonce Value — No nonce tag

Event Kind — —

Leading 32 Bits of Event ID (Binary) 0x00

Event ID Verification (NIP-01 SHA-256) MATCH

Claimed ID:

Computed ID:

NIP-19 Identifier note1

Canonical Serialization Preimage UTF-8 JSON

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