Blockchain consensus mechanisms and fragmentation

by Daniel Eidan, Jon Frost, Rudraksh Kansal, Ulf Lewrick, Sang Hyuk Lim, Tomasz Rybarczyk While all permissionless blockchains use token-based incentives to sustain honest validation, differences in how validator rewards, coordination and participation are structured lead to distinct equilibria and trade-offs between decentralisation, security and scalability. These trade-offs underpin the emergence of multiple layer 1 networks and the expansion of layer 2 solutions, resulting in fragmentation of infrastructure, liquidity and assets across and within chains. Tools to mitigate fragmentation – e