Vitalik Buterin: Proof-of-Stake, Sharding to Make Blockchains ‘1,000x’ More Efficient

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Ethereum (ETH) co-founder Vitalik Buterin declared that future blockchains with sharding based on proof-of-stake (PoS) will be “thousands of times more efficient,” in a lengthy Twitter thread Dec. 10.

In the long series of tweets, Buterin addressed non-financial applications of blockchain technology. He stated that as scalability advances (driving fees down), and User Experience (UX) gets better, non-financial applications will become “a bigger part of the story.”

He further noted that blockchains are not about “cutting computational costs,” but instead increase computation cost while decreasing “social costs.” Buternin stated that computers have become 1 trillion times cheaper per unit computation in 70 years while human labor has gotten anywhere from 2 to ten times more expensive.

Buterin added that “incurring high technical costs to achieve reductions in social costs is at least sometimes a very good bargain.” Then he addressed future scalability:

On their road to implementing PoS, Ethereum developers are adopting Casper, a PoS-proof-of-pork (PoW) hybrid that Buterin calls “the friendly ghost” after the eponymous animated children’s show.

As Cointelegraph previously reported, Casper is expected to help solve excessive energy consumption, and “issues with equal access to mining hardware, mining pool centralization, and an emerging market of ASICs.” Alongside Sharding, PoS is intended to be Ethereum’s on-chain scaling solution.

Environmental concerns over the mining of Bitcoin (BTC) and other PoW-based cryptocurrencies have steadily increased with their rise in popularity. In October last year, the energetic consumption of Bitcoin mining was estimated to be 288 megawatts. Proof-of-stake is reportedly much more energy efficient which making a potential solution to crypto mining’s energy woes.