Strong Chain Quality

Chain Quality (CQ) is a core blockchain property. Roughly speaking, it says: Owning $3\%$ of the stake gives you control over $3\%$ of the blockspace over time. For Nakamoto style chains, this is called Ideal CQ (see here). Chain quality was sufficient for early generations of blockchains that had low throughput, but modern blockchains have much higher bandwidth and can commit many transactions within a single block. This motivates a... By Ittai Abraham, Pranav Garimidi, Joachim Neu