Hong Kong-regulated tokenized gold XAUa launches on Sui blockchain

October 28: Hong Kong-regulated tokenized gold XAUa has launched on Sui. The token is minted under Sui's Permissioned Asset Standard (PAS), issued by AlphaToken, with TBook handling distribution to on-chain users. Each XAUa is backed by physical gold stored in Hong Kong, and holding or purchasing it requires meeting eligibility requirements. Under PAS rules, issuers write compliance rules into a Policy; every transfer must pass Policy validation before settlement, and transfers that fail are rejected with no change to balances. TBook has migrated and rebuilt its vault issuance platform on PAS, so future RWA issuers can issue vaults with the same kind of compliance controls directly on Sui.