• Enable by default Hex values for eth_feeHistory, this supports the standard, if connecting to Geth < 1.10.7 use EthFeeHistory.UseBlockCountAsNumber = true.
• HdWallet assembly is not signed when using .Net Framework (not core) < 5 as NBitcoin is not signed, causing issues if using lower versions of .Net.
• Adding as a parameter ChainId to QuorumAccount to support EIP_155 signature thanks to: dc6c18a