Hi — I'm working on OM World, a protocol for a decentralized intent economy. evalanche's framing — agent wallet SDK with ERC-8004 identity and x402 payment rails on Avalanche — packs two of the most important agent primitives into one developer surface. Three questions where the SDK design tradeoffs matter for our Agent Mandate work.
1. SDK boundary between identity and payment. An agent SDK can keep ID and payment intertwined (single API, single auth path) or cleanly separated (orthogonal modules). Which did evalanche choose, and why? The intertwined model is easier to use; the separated model is composable with non-Avalanche infra later.
2. ERC-8004 caching policy. ERC-8004 lookups are on-chain reads; agents calling many APIs would hit them constantly. Does evalanche cache the identity record locally (and for how long), force re-read on every payment, or invalidate based on observed registry events? The cache vs freshness tradeoff has security consequences.
3. Agent-side x402 receipt verification. When the agent receives an x402 receipt from a paid API, what does the SDK check on the agent's side — signature only, signature + on-chain settlement confirmation, signature + cross-check against a known-good verifier? Skipping verification is the common failure mode; over-verifying kills throughput.
Happy to share the OM World Mandate spec. Single-chain reference implementations are valuable — most current designs are still aspirational about cross-chain, and concrete single-chain tradeoffs ground the multi-chain question.
Hi — I'm working on OM World, a protocol for a decentralized intent economy. evalanche's framing — agent wallet SDK with ERC-8004 identity and x402 payment rails on Avalanche — packs two of the most important agent primitives into one developer surface. Three questions where the SDK design tradeoffs matter for our Agent Mandate work.
1. SDK boundary between identity and payment. An agent SDK can keep ID and payment intertwined (single API, single auth path) or cleanly separated (orthogonal modules). Which did evalanche choose, and why? The intertwined model is easier to use; the separated model is composable with non-Avalanche infra later.
2. ERC-8004 caching policy. ERC-8004 lookups are on-chain reads; agents calling many APIs would hit them constantly. Does evalanche cache the identity record locally (and for how long), force re-read on every payment, or invalidate based on observed registry events? The cache vs freshness tradeoff has security consequences.
3. Agent-side x402 receipt verification. When the agent receives an x402 receipt from a paid API, what does the SDK check on the agent's side — signature only, signature + on-chain settlement confirmation, signature + cross-check against a known-good verifier? Skipping verification is the common failure mode; over-verifying kills throughput.
Happy to share the OM World Mandate spec. Single-chain reference implementations are valuable — most current designs are still aspirational about cross-chain, and concrete single-chain tradeoffs ground the multi-chain question.