​​Ethereum co-founder Vitalik Buterin said "Scalability is a big bottleneck," commenting on the progression of crypto ad…

​​Ethereum co-founder Vitalik Buterin said "Scalability is a big bottleneck," commenting on the progression of crypto adoption in an interview with The Star

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What do you guys think? What are the roadblocks to a more widespread adoption of cryptocurrencies? Leave your answers in the comments.