CBAM's definitive period starts in 2026 with allowances phasing out by 2034; petchem PCF front-loading pairs with cross-chain receipt recognition and SHA-256 proof to make carbon accounts tradable.

SNSUC fingerprints each digital warehouse receipt on-chain with an in-browser SHA-256 hash; cross-chain recognition lets the same receipt re-circulate between banks, speeding working-capital turnover. A 5kt natural rubber lot is worth about ¥100.5m at today's price.