Token for Regulated EXchanges. An earlier security-token framework associated with Tokeny, related to ERC-3643 lineage.

A Bitcoin upgrade that improved privacy and scripting, used by Ordinals and many modern spends.

The Eurosystem RTGS for euro central-bank money.

TARGET Instant Payment Settlement, the ECB's instant euro rail.

Solana's extended token program with transfer hooks, fees, and other features.