feat: add Zcash (shielded) network support#1990
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Zk-nd3r wants to merge 1 commit intox402-foundation:mainfrom
Open
feat: add Zcash (shielded) network support#1990Zk-nd3r wants to merge 1 commit intox402-foundation:mainfrom
Zk-nd3r wants to merge 1 commit intox402-foundation:mainfrom
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adds zcash mechanism module with network config and payment proof type. full facilitator at @frontiercompute/zcash-402 (npm). zcash is the first shielded settlement option for x402.
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Summary
Adds Zcash as the first shielded settlement option for x402. Includes a mechanism module stub at
typescript/packages/mechanisms/zcash/with network configuration and payment proof types.Why
x402 currently supports 8 chains, all with transparent ledgers. Zcash adds shielded settlement: agents can pay for HTTP resources without revealing transaction amounts or addresses on-chain. Relevant for agent treasury flows, privacy compliance, and selective disclosure.
What this PR adds
typescript/packages/mechanisms/zcash/src/index.ts— network config (CAIP-2:zcash:mainnet), asset definition (ZEC, 8 decimals), payment proof typetypescript/packages/mechanisms/zcash/README.md— architecture overview and integration pathFull facilitator
The complete Zcash x402 facilitator is available as a standalone package: @frontiercompute/zcash-402 (MCP server with 4 tools: pay_resource, check_balance, verify_receipt, list_payments).
Payment verification uses the Zcash encrypted memo field for payment ID matching, unlike EVM/SVM which use on-chain event logs.
Network details
zcash:mainnet