[Supanode](https://supanode.xyz/)[Learn](https://supanode.xyz/learn)Set finality rules for Solana and Robinhood Chain

# Set finality rules for Solana and Robinhood Chain

Map each application action to a network-specific acceptance stage.

**On this page**[One label cannot describe every chain](https://supanode.xyz/learn/finality-across-supported-networks#one-label-cannot-describe-every-chain)[Write an acceptance table](https://supanode.xyz/learn/finality-across-supported-networks#write-an-acceptance-table)[Solana commitment](https://supanode.xyz/learn/finality-across-supported-networks#solana-commitment)[Robinhood settlement](https://supanode.xyz/learn/finality-across-supported-networks#robinhood-settlement)[Verify the policy in your application](https://supanode.xyz/learn/finality-across-supported-networks#verify-the-policy-in-your-application)[Sources](https://supanode.xyz/learn/finality-across-supported-networks#sources)

## One label cannot describe every chain

A transaction can be observed, included and settled at different times. Solana uses commitment levels for reads and subscriptions. Robinhood Chain combines early sequencer confirmation with Ethereum settlement. Hyperliquid market-data messages follow their own API and exchange-state semantics; an EVM block tag is not a generic label for those messages.

## Write an acceptance table

| Action | Example policy question |
| --- | --- |
| Trading signal | Can the strategy tolerate a later rollback or reconciliation? |
| Portfolio display | Should a recent observation be shown as provisional? |
| Payment credit | Which network settlement evidence is required before balance becomes withdrawable? |
| Historical analytics | How will reverted or replaced observations be removed? |

Choose the answer for the application rather than inheriting an SDK default. Store the acceptance stage with each record.

## Solana commitment

Processed provides a node's early view, confirmed reflects cluster voting progress, and finalized is the strongest standard commitment. A stronger commitment can take longer. Keep the same commitment when comparing responses and remember that method support differs; getTransaction supports confirmed/finalized, not a processed transaction lookup.

## Robinhood settlement

A sequencer acknowledgement or recent L2 head gives early ordering information. Batches posted to Ethereum and subsequent parent-chain finalization provide stronger evidence. Follow Robinhood's current finality documentation for safe/finalized behavior and withdrawal rules. Test monitoring against observed block hashes and stage transitions; avoid hardcoding a fixed number of seconds as a universal finality guarantee.

## Verify the policy in your application

1.  Create one test transaction and store its initial observation as provisional.
2.  Poll the network-specific confirmation or settlement signal and record every state transition with a block hash or slot.
3.  Allow the application action only after the required acceptance stage is reached.
4.  Test delayed observations and a temporarily unavailable endpoint. A timeout should preserve an unresolved state instead of granting final settlement.

## Sources

-   [Solana commitment](https://solana.com/docs/rpc#configuring-state-commitment)
-   [Robinhood transaction finality](https://docs.robinhood.com/chain/transaction-finality/)
-   [Hyperliquid API documentation](https://hyperliquid.gitbook.io/hyperliquid-docs/for-developers/api)

## Continue reading

[Historical state and transactions](https://supanode.xyz/learn/archive-node-vs-full-node)[Size an RPC workload](https://supanode.xyz/learn/rpc-credits-vs-flat-pricing)[Learn library](https://supanode.xyz/learn)

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Source: https://supanode.xyz/learn/finality-across-supported-networks