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Across 8,760 hours of 2025, ARB to ETH CCTP settlement runs 1.5 times slower when Arbitrum sits in a non-nominal structural regime (p < 10⁻¹⁴, n = 6,171 hours). The same test on ETH to ARB shows no detectable shift. Directional asymmetry consistent with CCTP protocol architecture: on this lane, the source chain decides.

For 4 days in late April 2026, Optimism batch posting drifted 70 percent slower than nominal. Settlements completed, no alert fired. Why this matters for RWA agents and what Drift Signal exposes that regime classification alone misses.

Fixed thresholds drift silently on every chain. Why nominal is a moving distribution, and what it takes to deliver a certified reference frame for cross-chain RWA agents.

SPEx, EQTY Lab, VeritasChain: why verifiability of AI execution is becoming an infrastructure requirement, and what it leaves open.

The Ethereum Economic Zone reframes the L2 era's central problem: not insufficient capacity, but structural isolation. What it changes for infrastructure measurement.

EIP-7702 removes the last friction point that kept agentic execution sporadic. The pipeline is now continuous. The infrastructure will respond to that.

Pre-execution simulation tells you what a transaction will do. Infrastructure regime measurement tells you what ground it will land on. Neither replaces the other.