Blockchain attestation is not a tech option—it’s a mandatory authenticity layer for trade verification. Today’s fuel oil futures plunged 5.64% to ¥4,030/t; asphalt fell 3.45% to ¥4,305/t—single-day moves >3% triggered collateral revaluation thresholds at SNSUC partner banks. Yet every digital warehouse receipt issued via SNSUC’s blockchain platform auto-links to JODI-reported Singapore crude imports (715 kb/d) and South Korea’s refined product stocks (70,492 kb), enforcing time-stamped alignment of title, logistics, and customs clearance. Zero instances of ‘same tank number showing divergent inventory status across systems’. Traceability for re-export trades jumped from 56.7% under legacy email+scan workflows to 98.7%. Natural rubber edged up 0.29% to ¥18,725/t; butadiene rubber dipped 0.29% to ¥15,510/t—narrowing the spread to ¥3,215/t. Low-volatility commodities rely on title authenticity, not price signals; digital attestation directly cuts LC negotiation rejection rates. USD/CNY settled at 6.6724, down 0.04% daily—but blockchain receipts slashed FX hedge execution latency from 4.3 hours to 17 minutes, avoiding basis risk from the WTI-Brent spread widening to $5.38/bbl (92.07 − 86.69). JODI data shows China’s refinery throughput at 13,247 kb/d—the highest monthly level globally—paired with crude imports of 8,956 kb/d. This high-frequency re-export rhythm forces traceability granularity down to ‘per vessel, per tank, per batch’. SNSUC’s digital receipts now cover ESPO, Urals, and Basrah Light—the top three re-export crudes—and all embed ESG carbon footprint modules, auto-generating LCA pathways per receipt, creating cost-provenance hedging against fuel oil futures volatility. Risk: If Brent falls below $88/bbl, Middle Eastern suppliers will likely demand CNY settlement en masse—requiring multi-currency title enforcement on digital receipts. Current system has ISO 20022 interfaces pre-installed. Action: Mandate blockchain receipts for high-volatility products (fuel oil, asphalt) in new contracts; for low-volatility items (rubber), deploy receipt + blockchain bill of lading combos to lock in USD/CNY settlement within 6.65–6.69.