A distribution can use cryptographic proofs to check that a claim belongs to an approved set. That can make on-chain verification efficient while leaving the original eligibility decision outside the mechanism. If a Merkle-based design is considered, the programme should review the recipient list and the contract as separate parts of one system.
Understand what the proof establishes
OpenZeppelin documents Merkle proofs as a way to verify that an element belongs to a set represented by a root. In a distribution, the element might encode a recipient and permitted amount under the chosen design. The proof can show membership in that committed set; it cannot determine whether the programme should have included the recipient. The organisation therefore needs an approved process for constructing the list and reviewing its contents. Cryptographic correctness and commercial eligibility answer different questions, and both need evidence before the resulting claim interface is presented as ready for participants.
Test the list before committing it
Suppose a hypothetical reward file includes the correct participants but exports one amount with the wrong precision. A technically correct proof could then confirm the wrong award. The preparation process should validate amounts, addresses, duplicate entries and the exact encoding used by the claim contract. Reviewers need a reproducible connection between the approved list and published root. A sample of familiar accounts is insufficient if systematic errors affect the rest of the file. The programme should preserve a versioned record so it can later explain which list authorised a specific claim without relying on an untracked spreadsheet.
Define correction and repeat-claim handling
The implementation should prevent a participant from claiming the same entitlement repeatedly according to its rules. It also needs a policy for an incorrect list, changed address or superseded allocation. Replacing a root can alter outstanding claims and should therefore have controlled authority and a clear explanation. Users need to understand whether an earlier proof remains valid and how completed claims are treated. The contract review should cover those transitions. The service team should also have a route for investigating an excluded eligible participant without asking that person to reveal the credentials controlling their wallet.
Publish the distribution result accurately
Reports should distinguish approved awards, claimable amounts, completed claims and unresolved exceptions. A committed root is not evidence that every recipient received tokens or used a service. ALFA's indicative allocation does not establish a live claim programme today. A future release would need verified contract details, programme terms, review evidence and a dependable official discovery path. The mechanism earns its place when it reduces unnecessary complexity while preserving an accountable chain from eligibility decision to approved data, valid proof and completed distribution, with errors handled transparently at the appropriate stage.

