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Transfer

A transfer is a single token movement between two wallets emitted by a Solana transaction. Transfers capture the directional flow of value across the ecosystem — who sent what, to whom, and for how much. By indexing every SPL token and native SOL transfer at the instruction level, Prism gives you a complete, unbiased view of on-chain asset movement.

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Balance Change

A balance change is the delta applied to a wallet’s holding of a specific token within a single transaction. Each balance change records the pre- and post-transaction balance, regardless of whether the cause was a transfer, swap, fee payment, or program-level mutation. Balance changes are the source of truth for wallet state: by replaying them you can reconstruct a wallet’s full token holdings at any point in time.