Bitcoin Network Resilient to Cable Cuts, But Vulnerable to Targeted Attack on Key Providers

A new analysis reveals the Bitcoin (BTC) network's asymmetric resilience. While the decentralized cryptocurrency could theoretically withstand a massive, simultaneous cut of up to 72% of the world's submarine internet cables, its security faces a more concentrated threat. Researchers identified that a targeted attack on just five critical hosting providers, which support a significant portion of Bitcoin's node infrastructure, could potentially cripple the network's functionality. This highlights a potential centralization risk in Bitcoin's underlying infrastructure, despite the protocol's designed decentralization. The study underscores the importance of geographic and provider diversity for node operators to strengthen the network's overall censorship-resistance and robustness against targeted infrastructure attacks.