gnosis-testnetprovider may return an invalid gas price.
metisdoes not support deterministic deployment.
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hardhat-etherscanrequires us to use a dummy API key with Blockscout block explorer APIs. We use"DUMMY_VALUE"but it could have been anything else. -
In general, mainnet and testnet block explorer API keys are the same.
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arbitrumandarbitrum-novablock explorer API keys are not the same. -
polygonandpolygon-zkevmblock explorer API keys are not the same. -
aurora-testnet,aurora,boba-avalanche,boba-moonbeam,fantom-testnet,gnosis-testnet,kava-testnet,kava,sx-testnet,sxblock explorer APIs exist but do not work for contract verification.