Mint keypair
The Solana keypair whose public key becomes the token's mint address — generated before launch and consumed by the create instruction.
Every Solana token has a "mint" account whose address is the token's on-chain identity. The mint keypair is generated before launch and its public key is passed into the create instruction. Vortex pre-generates a pool of mint keypairs (via `GET /api/mint`) so launches can pick a desirable one — sometimes deployers want a mint that ends in a specific suffix like `pump` for Pump.fun branding.
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