Documentation Index
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Coming from Ethereum

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Old documentation

Ecosystem

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Overview
Toncoin
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Standard contracts

Vesting

Contract development

Your first smart contract
Debugging smart contracts
Signing messages
Contract sharding
Security best practices
Estimate gas usage in TON contracts
Using on-chain libraries
Random numbers
Upgrading contracts
Use a vanity contract

Languages

Tact

TVM: TON Virtual Machine

Overview
Instructions
Builders and Slices
Continuations
Registers
Gas
Initialization
Exit codes
Get methods

Blockchain foundations

Account status
Execution phases
Transaction fees
Blockchain sharding
Limits
Config
Web3 services
System contracts
Precompiled contracts
Glossary

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Look up block by height, LT, or timestamp

Look up block by either seqno, lt or unixtime.

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Get shards at masterchain seqno

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