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Reviewed October 4, 2026. Only Anvil has a GRAPL deployment. The direction is EVM networks with compatible Uniswap v4 and hooks, beyond the original Robinhood focus.

Available environment

See the local address snapshot. A Uniswap PoolManager deployment is infrastructure, not evidence that GRAPL is deployed on that network.

Candidate networks

The networks below have v4 infrastructure listed by the official Uniswap deployment directory, reviewed on the date above. They are candidates, not tested GRAPL production networks. Consult that directory for current upstream addresses and additional networks. Robinhood Chain remains an intended target. Its network configuration, chain ID and compatible v4 prerequisites have not been verified here. No address or partnership is implied.

What qualifies a network for support?

1

Verify the execution environment

Confirm chain ID, token decimals, Cancun EVM compatibility and the network-specific v4 PoolManager code and interfaces. Do not assume upstream addresses match across chains.
2

Verify the GRAPL deployment

Check hook permission bits, router settlement, pools, fee/reward behavior and chain-specific integration or fork tests. Publish source commit, deployment transactions, block, verified contracts and role assignments.
3

Complete production dependencies

Choose and verify governance and secure randomness, replace the chain-31337-only game/oracle, approve economics and finish security review and monitoring.

Multichain direction

This diagram describes a target model, not running cross-chain functionality. No bridge, messaging layer, cross-chain swap, unified GEM balance, global mint cap or cross-chain bag delivery exists. GRAPL supply representation and benefit portability require separate decisions.