Standard Libraries

Aptos provides multiple standard libraries at the given addresses:

• 0x1
  • MoveStdLib
  • AptosStdLib
  • AptosFramework
• 0x3
  • AptosToken - Legacy NFT standard (not suggested for any future usage)
• 0x4
  • AptosTokenObjects - Digital Assets -> New NFT and semi-fungible token standard

Standards

These standards are built into the 0x1 and 0x4 addresses:

• Fungible Tokens
  • Coins (Legacy)
  • Fungible Assets
• Non-fungible and Semi-fungible Tokens
  • Digital Assets

Additional Libraries

The Aptos ecosystem also has third-party libraries and tools:

• Aptos Token Objects -- The modern NFT and semi-fungible token framework
• Pyth Network -- Price oracle data feeds
• Switchboard -- Decentralized oracle network
• Econia -- On-chain order book DEX protocol