Blockchain Security Best Practices

Bo Polny
2 min readJan 11, 2023

Two-factor Authentication

One of the most critical security tools in the Blockchain space is two-factor authentication (2FA). Implementing 2FA adds an extra layer of protection to your online accounts by requiring a second verification, in addition to your password, to log in. This second factor can be a one-time code generated by an authenticator app, a hardware token, or a biometric factor like a fingerprint. While 2FA is not foolproof, it significantly increases the security of your online accounts and should be used whenever possible. In the Blockchain space, 2FA is especially important due to the high value of digital assets and the often irreparable damage that a hack or theft can cause.

Trusted Senders and Recipients

One of the best methods to secure your Blockchain platform is to allow only trusted senders and receivers. By allowing only trusted entities to interact with the Blockchain, you can dramatically reduce the chances of malicious activity. Take the time to verify the identity of each new sender and receiver and ensure they are credible before allowing them onto the network.

Updated Software

By staying on top of the latest security threats, you can help ensure that your Blockchain network remains safe and secure. Install security updates and patch any vulnerabilities as soon as they are discovered. Additionally, it’s crucial to choose a reputable and reliable provider for your Blockchain security needs. Look for a provider with a proven track record of keeping their networks safe and secure.


A virtual private network (VPN) is a secure, encrypted connection between two devices. This connection can tunnel data traffic through an untrusted network like the internet. By encrypting the data traffic, a VPN can help to protect your information from malicious actors. In addition, a VPN can also help to improve your privacy by hiding your actual IP address and location. While the concept of VPNs is not new, it is gaining popularity due to increased awareness of online security threats.

Anti-Phishing Tools

Phishing attacks are becoming increasingly common. They are challenging to detect and prevent. An anti-phishing tool can help to identify and block phishing attempts, keeping your Blockchain safe. Additionally, it’s essential to be aware of the signs of a phishing attack. Be suspicious of any email or message that contains a clickable link or provides personal information. If you are skeptical about the legitimacy of an email, contact the sender to verify its authenticity.

Originally published at



Bo Polny

Based out of Newport Beach, CA, Bo Polny is a cycles timing analyst specializing in the cryptocurrency and precious metals markets. Learn more @