pybtctool 1.1.42-1 (amd64 binary) in ubuntu bionic

 The ‘pybtctool’ program has a set of commands for interacting with
 the Bitcoin network.
 .
 With a command, you can generate a signature, hash, seed, or address;
 serialise or deserialise standard data formats; query the blockchain;
 and many more operations.
 .
 This is the command-line tool from the ‘pybitcointools’ project.