Consensus Divergence
Consensus divergence occurs when nodes in a distributed network fail to agree on the state of the ledger, often resulting in a fork. This can happen due to bugs in the protocol code, disagreements over software upgrades, or network partitioning.
In the context of financial derivatives, divergence is extremely dangerous because it creates uncertainty about which version of the truth is valid, potentially leading to double-spending or conflicting settlement of contracts. Preventing divergence is the primary goal of consensus algorithms, which use strict rules to ensure that all participants converge on a single, valid chain.
When divergence does occur, it requires human intervention or complex social consensus to resolve, which is incompatible with the goal of automated, trustless finance. It represents a fundamental breakdown of the network's core promise.