Numpay runs on Elysium testnet (chain 99801), Kinetiq’s Arbitrum Orbit chain that settles to HyperEVM, alongside production on Base. Numpay uses the same Kernel wallet address on Base production and Elysium testnet. Numpay uses the same Kernel wallet address on Base production and Elysium testnet.

Numpay on Elysium

Overview, diagram and Base vs Elysium comparison.

Using Numpay on Elysium

Sign in, get test crypto, send and request.

Withdrawals

Send to any Elysium address, gas-free.

Architecture on Elysium

Pimlico, address parity, sweeps and gas costs.

Contracts and endpoints

Chain, USDC, EntryPoint and bridge addresses.

API changes

The WITHDRAW transaction type and on-chain verification.