opBNB vs eCash

opBNB is an optimistic rollup network designed to enhance the scalability of the Binance Smart Chain (BSC). It aims to take the workload away from the mainnet and improve network performance. The opBNB network employs a unique approach to ensure transaction integrity and security. It leverages the main network (BSC) for final transaction validation on its execution layer, facilitated by a verifier mechanism, striving to achieve high throughput while maintaining security.

eCash is a blockchain project led by Bitcoin ABC, aiming to enhance L1 scalability, security, transaction speed, and cost-effectiveness. It integrates the Avalanche consensus protocol with its base PoW consensus, making it effectively a hybrid consensus network that is secured against 51% attacks and extensible via subnets and hard-fork free upgrades. These improvements address scalability concerns, enable rapid transaction finality, interoperability, and guarantee subcent fees. Despite these improvements, eCash remains committed to maintaining the decentralization principles of the original Bitcoin protocol. By prioritizing scalability and extensibility, eCash seeks to realize the vision of Bitcoin as a practical and accessible peer-to-peer electronic cash system.