Groups transactions who share common hex data which is needed in order to
sign and submit the transactions.
For example, multisig transactions created from createTxs() share a common
hex string which is needed in order to sign and submit the multisig
transactions.
Groups transactions who share common hex data which is needed in order to sign and submit the transactions.
For example, multisig transactions created from createTxs() share a common hex string which is needed in order to sign and submit the multisig transactions.