Algorithm

Algorithm

51% Attacks: Bitcoin’s Biggest Threat or Just a Myth?

Unpacking the Feared Attack Vector and Why Bitcoin’s Resilience Shines Through

Algorithm's avatar
Algorithm
Jul 17, 2025
∙ Paid

The term “51% attack” looms large in Bitcoin discussions, often painted as the ultimate threat to its security. Critics warn that a malicious actor controlling over half of Bitcoin’s mining power could rewrite the blockchain, steal coins, or crash the network. Yet, after 16 years and a $1 trillion market cap, no such attack has ever succeeded on Bitcoin…

User's avatar

Continue reading this post for free, courtesy of Algorithm.

Or purchase a paid subscription.
© 2026 Algorithm Limited · Privacy ∙ Terms ∙ Collection notice
Start your SubstackGet the app
Substack is the home for great culture