solana tokens

• all non native tokens are called SPL-TOKENS
• you need these params to create a token
  • payer
  • mintAuthority ( authorized to do actual minting of the token from mint )
  • freezeAuthority ( authorized to freeze tokens in a token accounts )
  • decimals - decimal precision of the token
• under the hood of createMint a txn is created with 2 instructions
  • create a new account
  • initialize a new mint
• every account / mint needs minimum sol deposit to be considered rent exempt
• can be part of collections

token accounts

• account created to hold the tokens from the mint
• has an owner who’s the only one with access to decrease tokens from that
• token account

associated token account is used more often ( it’s a pda )

metadata accounts

• can be set to Mutable
• creators array can be to obtain royalties
• used in Marketplaces
• creators must sign to be one verified
• collection NFTs can be used to group NFTs
• JSON standard follows closely with other chains

Metadata Program ID metaqbxxUerdq28cj1RbAWkYQm3ybzjb6a8bt518x1s Typescript Library @metaplex-foundation/mpl-token-metadata

master edition

• proof that a token is non-fungible

  • verifies mint account has 0 decimals
  • verifies that only 1 token has been minted

• Transfers the mint authority and freeze authority to the master edition.

• You can set the max supply

• If set › 1 you can use the master edition to mint sub editions of an NFT.

• the “edition” account is just a PDA