Vitalik Buterin has made it clear that designing more efficient scaling solutions is one of the biggest challenges for the Ethereum blockchain – and it seems the company is gearing up take on this hurdle head-on. Buterin has indicated the company will soon begin testing its new scaling tech better known as sharding. Talking about the cryptocurrency scam epidemic on Twitter, the young co-founder strongly hinted that Ethereum is close to launching its sharding testnet. While Buterin did not offer a clear timeline, he said that Leeroy – a decentralized Twitter rival – will be a suitable candidate for the experiment.…

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