Publication

Revisiting Tendermint: Design Tradeoffs, Accountability, and Practical Use

Rachid Guerraoui, Jovan Komatovic, Zarko Milosevic, Dragos-Adrian Seredinschi
2022
Conference Papers

Abstract

Tendermint is a deterministic consensus protocol and is one of the most mature implementations of its kind. This implementation is used as the core for building State Machine Replication (SMR) platforms with Byzantine fault-tolerant (BFT) guarantees. A noteworthy deployment of Tendermint has been in continuous operation since 2019 within a blockchain called Cosmos Hub. The Cosmos Hub supports the development of decentralized applications, and stands as one of the largest and most stable ongoing deployments of a BFT SMR platform.While successful in practice, the Tendermint consensus protocol has no definitive description in the literature. It is not clear what makes this protocol unique or how it fits into a blockchain protocol stack. In this short paper, we revisit Tendermint. We contrast Tendermint with other major consensus algorithms, examining its unique design choices. We also focus on the requirements which dictated Tendermint’s design. Lastly, we briefly analyze the accountability support which Tendermint provides.

Official source

https://infoscience.epfl.ch/entities/publication/e175d8e0-0164-4681-88f2-a04ec8f23f6f

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Rachid Guerraoui, Jovan Komatovic, Zarko Milosevic, Dragos-Adrian Seredinschi
2022
Conference Papers

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/e175d8e0-0164-4681-88f2-a04ec8f23f6f

About this result

Related concepts (26)

Byzantine fault

A Byzantine fault (also Byzantine generals problem, interactive consistency, source congruency, error avalanche, Byzantine agreement problem, and Byzantine failure) is a condition of a computer system, particularly distributed computing systems, where components may fail and there is imperfect information on whether a component has failed. The term takes its name from an allegory, the "Byzantine generals problem", developed to describe a situation in which, to avoid catastrophic failure of the system, the system's actors must agree on a concerted strategy, but some of these actors are unreliable.

Decentralized application

A decentralised application (DApp, dApp, Dapp, or dapp) is an application that can operate autonomously, typically through the use of smart contracts, that run on a decentralized computing, blockchain or other distributed ledger system. Like traditional applications, DApps provide some function or utility to its users. However, unlike traditional applications, DApps operate without human intervention and are not owned by any one entity, rather DApps distribute tokens that represent ownership.

Decentralized finance

Decentralized finance (often stylized as DeFi) offers financial instruments without relying on intermediaries such as brokerages, exchanges, or banks by using smart contracts on a blockchain, mainly Ethereum. DeFi platforms allow people to lend or borrow funds from others, speculate on price movements on assets using derivatives, trade cryptocurrencies, insure against risks, and earn interest in savings-like accounts. DeFi uses a layered architecture and highly composable building blocks.

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