China fentanyl-precursor makers pivot to the U.S. peptide market through crypto

Blockchain data show U.S. peptide buyers are funneling crypto payments to China-based fentanyl-precursor suppliers, as the peptide market surges in popularity. Regulators, including an FDA advisory panel considering peptides for compounding, may reshape how these products are regulated, raising safety and supply-chain concerns for buyers who may not know who provides their substances.