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Blockchain Trilemma

no blockchain has been able to optimise three qualities simultaneously, decentralisation, security, and scalability

The blockchain trilemma refers to the fact that no blockchain has been able to optimise three qualities simultaneously, decentralisation, security, and scalability.

 

blockchain-trilemma

Source: SEBA Research

Scalability

Scalability is the ability of the blockchain to accommodate a higher volume of transactions

Security

Security is the ability to protect the data held on the blockchain from different attacks or blockchain’s defence against double-spending

Decentralisation

Decentralisation is the redundancy in the network that makes sure fewer entities do not control the network

I am faced with a bruising dilemma: pay to fix the dishwasher or continue serving everything in waffle cones.

Dana John GouldAmerican stand-up comedian, actor, writer and voice artist

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