mcp 449 cryptography 417 ai-agents 353 typescript 262 crypto 229 agent 195 verification 179 identity 158 did 157 model-context-protocol 156 mcp-server 151 ai 146 receipts 140 security 137 ai-agent 129 x25519 127 curve25519 127 x402 124 provenance 119 attestation 110 trust 105 eddsa 100 audit 99 agents 98 signing 96 signature 95 protocol 89 javascript 89 cli 86 jws 84 evidence 83 offline-verification 81 a2a 80 authentication 80 sdk 78 audit-trail 78 agent-identity 72 agent-commerce 72 encryption 70 nacl 69 solana 68 jwt 66 blockchain 65 claude-code 64 tamper-evident 64 open-standard 64 rust 64 transparency-log 63 llm 63 secp256k1 62 agent-security 61 compliance 59 libsodium 58 wasm 58 verifiable-credentials 57 sigstore 56 hash 56 a2a-protocol 55 poly1305 55 governance 55 aipolicy 54 peacprotocol 54 signed-proof 54 audit-log 54 multi-agent 52 rsa 52 nodejs 51 webassembly 51 merkle 50 wallet 50 cursor 50 post-quantum 50 verify 49 ecdsa 48 signatures 47 peac 47 openclaw 47 claude 44 bun 44 hmac 44 zero-trust 44 rfc8785 44 authorization 43 verifiable 42 cloudflare-workers 41 delegation 41 jcs 41 ecc 41 signed-records 41 memory 40 browser 39 python 38 originary 38 receipt 38 sha256 37 interaction-records 37 ml-dsa 37 hash-chain 35 agent-to-agent 34 encrypt 34