Blockchain developers need to address various attack vectors and implement security controls.
Possible attack vectors include phishing attacks, code exploitation, routing attacks, stolen keys, sybil attacks, and the 51% attack.
To enhance blockchain security, developers should use VPNs, implement strong access controls, update software regularly, and consider disaster recovery protocols.
Developers should also address governance, data recording, identity management, encryption of block payloads, key management, block collision resolution, and disaster recovery planning.