FA2 (TZIP-12)
Standards/Coordination SystemsFinancial Application 2 (TZIP-12): Tezos' unified multi-asset token interface standard supporting fungible tokens, NFTs, and semi-fungible tokens within a single contract. Defines a flexible, permission-configurable token interface with configurable transfer policies (monolith, transfer hook, or wrapper patterns). Equivalent in scope to ERC-20 + ERC-721 + ERC-1155 combined. The dominant token standard for the Tezos ecosystem.
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Detalhes
Licença https://gitlab.com/tezos/tzip/-/blob/master/proposals/tzip-12/tzip-12.md
Status de Dev Released
Proprietário Tezos ecosystem / TQ Tezos (original proposal); maintained by Tezos Foundation and community
País Switzerland
Ano de Início 2020
Stack Michelson, high-level implementations in SmartPy, LIGO, compiles to Michelson bytecode
Financiamento Community, Foundation
Última Investigação 10 de mar. de 2026
Smart Contract Standard Atributos
Permissions Configurable permission policies: self-transfer, operator-approved transfer, no-transfer; operator model for delegated transfers; mint/burn entry points not standardized (implementer discretion)
Development Tools SmartPy IDE; LIGO; Taquito (JavaScript client library); Tezos CLI (octez-client); Temple Wallet; Better Call Dev (contract explorer)
Protocol Maturity / Standardization Final TZIP; dominant Tezos token standard adopted by all major wallets, DEXes, and NFT platforms on Tezos (objkt.com, fx(hash), Versum); FA2.1 draft extends the standard
Trust Framework Trustless: Michelson contract logic enforces transfer permissions; on-chain operator registry; no admin key in base standard; trust model governed by Tezos liquid proof-of-stake consensus and Michelson formal verification tools
Target Application Domain Fungible tokens; NFTs and digital art (major Tezos NFT ecosystem); semi-fungible tokens; regulated asset tokenization (DAR-1 standard built on FA2); civic and social tokens; DAO governance tokens
Deployment Model Per-project contract origination on Tezos; single contract supports all token types and multiple token IDs; optional multi-asset architecture
Standard Type Token Standard
Ecosystem Tezos