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Ecosystem

Overview @ton/mcp Agentic wallets

Sub-second finality take action Network status Analytics

Payment processing

Overview Toncoin Jettons

Standard contracts

Overview Metadata Airdrop

Contract development

Acton toolchain JetBrains IDEs VSCode and forks

Signing messages Contract sharding Security best practices Gas usage Jetton processing Using on-chain libraries Random numbers Upgrading contracts Use a vanity contract Zero-knowledge proofs Groth16 examples

Tolk language

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TVM: TON Virtual Machine

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Blockchain foundations

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Legacy languages

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Language

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Program declarations

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Contributing

FunC

FunC program declarations

The official smart contract language of TON Blockchain is Tolk. FunC is now a legacy language, with its compiler no longer maintained.

Learn how to migrate from FunC to Tolk. For new smart contract projects, use the Acton toolchain.

A FunC program is a list of:

Function declarations and definitions
Global variable declarations
Compiler directives

Statements

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