Looking into options for moving $USDC from Ethereum ($ETH ≈ 1730.01) to Solana for a project involving micro-payments. Wormhole is the obvious choice, but what are the current best practices for ensuring security and minimizing gas/transaction costs during the bridge process, especially for recurring transfers? Any tooling recommendations to monitor bridge health and finality?
Beyond gas, security for recurring transfers really comes down to how you manage your private keys. Hardware wallet integration is a must. For monitoring, setting up alerts for successful transactions on both chains through something like Blocknative or a custom Etherscan/Solana explorer webhook could work.
Wormhole is solid for this. For recurring transfers, I'd look into automating the process with a script that monitors gas fees on ETH and triggers the bridge when they're low. No specific tooling for bridge health beyond watching the transaction explorer, but a good custom script can give you peace of mind.
Honestly, for micro-payments, repeatedly bridging USDC via Wormhole might still be too costly for gas on the ETH side. Have you considered native USDC on Solana directly from an exchange, or exploring other stablecoins if your project can handle it? Might save you headaches in the long run.