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Routing Attack Meaning

A routing attack is a type of network-level interference where an attacker manipulates the internet's infrastructure (specifically the Border Gateway Protocol or BGP) to intercept or delay the communication between blockchain nodes. The goal is to isolate certain nodes or a portion of the network (Eclipse Attack) to facilitate a double-spend or to gain an unfair advantage in the mining process.The attack works by hijacking IP prefixes, effectively telling the rest of the internet that the attacker's server is the fastest path to a specific group of Bitcoin or Ethereum nodes.

Once the traffic is flowing through the attacker's hardware, they can selectively drop blocks or transactions, creating a partition in the network. This allows the attacker to mine on a private version of the chain and then reveal it later to invalidate the work done by the isolated nodes.Routing attacks are particularly dangerous because they happen below the Blockchain Layer.

No amount of cryptographic security or high hashrate can protect a node if its underlying internet connection is compromised.

To defend against this, node operators use diverse internet paths, Gossip protocols that allow nodes to find each other through multiple connections, and specialized software like FIBRE (Fast Internet Bitcoin Relay Engine) that uses dedicated fiber lines to ensure block propagation isn't interrupted by public BGP shifts.

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Finery Markets BVI Limited (“Finery Markets”) provides software, technology infrastructure, and related Information and Communication Technology (ICT) services on a Software-as-a-Service (“SaaS”) basis. Finery Markets acts solely as a software vendor and does not operate a trading platform, does not intermediate, match, execute, clear, or settle transactions, and does not engage in any activities that would require regulatory authorisation under applicable laws.

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