I have just found this document that mentions gasless transactions in Solana (https://docs.tor.us/solana-wallet/api-reference/solana/gasless-transaction).
Has anyone tried it yet? What about the gasless API for layer 2 of EVM like Polygon?
For EVM chains, we recommend https://www.biconomy.io/
For Solana there an opensource repo, where you can spin up your own relayers GitHub - solana-labs/octane: Octane is a gasless transaction relayer for Solana.
You can follow this guide to run your first transaction through Octane.
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