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The network is very busy right now, resulting in higher gas prices. If you use a gas price that is too low, your transaction will take a lot longer to confirm. I recommend that you use ETH Gas Station to see what gas price you should use. You can read more about gas in general here: https://support.mycrypto.com/general-knowledge/ethereum-blockchain/what-is-...


2

You can do this way : const EthereumTx = require('ethereumjs-tx').Transaction; import Common from 'ethereumjs-common'; const customCommon = Common.forCustomChain( 'mainnet', { name: 'my-private-blockchain', networkId: NETWORK_ID, chainId: CHAIN_ID, }, 'istanbul', ); ...


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