Basic concepts to start in DeFi with Oh! Finance (2/3)

Gas token and transaction fees

Gas tokens and transaction fees explained by Oh! Finance — Avalanche
  • For Ethereum, it’s ETH
  • For Avalanche, it’s AVAX

Smart contract

Smart contracts explained by Oh! Finance — Avalanche

Token contract address

A token is identified on a blockchain with a unique contract address, its alphanumeric format being similar to a wallet address format. A token address can be compared to a product in a supply chain identified by a unique product number.

  • When you add manually the token by copying/pasting its token contract address in MetaMask
  • When the DeFi application to which your MetaMask is connected proposes to add a token to the list and you follow the procedure.

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