Delegated Byzantine Fault Tolerance

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What Does Delegated Byzantine Fault Tolerance Mean?

Delegated Byzantine Fault Tolerance (dBFT) is a sophisticated algorithm meant to facilitate consensus on a blockchain. Although it is not in common use as of yet, it represents an alternative to simpler proof of stake, proof of importance and proof of work methods.

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Techopedia Explains Delegated Byzantine Fault Tolerance

The story of this as-of-yet theoretical algorithm is fascinating – it is meant to address a particular old-school game theory problem called the Byzantine generals’ problem. In this scenario, there are a number of generals formulating a plan to attack a city. Consensus needs to be met, since anything less than a consensus leads to significant battle failures. However, there are communication difficulties, and there is an additional concern – in the Byzantine generals’ problem, planners have to look out for individual treacherous actors – actors who may not even report the same decision to all involved parties.

In the blockchain world, this is explained by pointing out that while some node operators are professionals, others are amateurs with a less sophisticated view of markets and game theory and everything else. They cannot be counted on, so this is the complex issue that Delegated Byzantine Fault Tolerance addresses. In order to handle this uncertainty, Delegated Byzantine Fault Tolerance uses a two-thirds rule and other elements to make sure that consensus is achieved even with a lot of unknowns.

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Margaret Rouse
Editor

Margaret jest nagradzaną technical writerką, nauczycielką i wykładowczynią. Jest znana z tego, że potrafi w prostych słowach pzybliżyć złożone pojęcia techniczne słuchaczom ze świata biznesu. Od dwudziestu lat jej definicje pojęć z dziedziny IT są publikowane przez Que w encyklopedii terminów technologicznych, a także cytowane w artykułach ukazujących się w New York Times, w magazynie Time, USA Today, ZDNet, a także w magazynach PC i Discovery. Margaret dołączyła do zespołu Techopedii w roku 2011. Margaret lubi pomagać znaleźć wspólny język specjalistom ze świata biznesu i IT. W swojej pracy, jak sama mówi, buduje mosty między tymi dwiema domenami, w ten…