Ethereum Merge: How one big cryptocurrency is going green

May 11, 2022

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A Proof of Stake vs Proof of Work could also refrain from attesting blocks containing sanctioned addresses — as even attesting to a sanctioned transaction could count legally as providing services to a sanctioned entity. The Ethereum Foundation and a majority of mining power decided to violate the immutability of the blockchain and wind back The DAO — because immutability lasts precisely and only until the big boys lose enough money. Staked ether cannot be withdrawn as yet — that’s coming in a future version of Ethereum.

Why is PoS better than PoW?

PoW deters attackers by imposing significant hardware and energy costs. Conversely, PoS' deterrence stems from the network's value, meaning PoS can secure a network with a fraction of the energy that PoW uses. The reason energy is such an important factor in scalability traces back to blockchain security.

Other cryptocurrencies, including the biggest, Bitcoin, will remain as energy-intensive as before. The change, called The Merge, is designed to win over critics who see cryptocurrencies as environmentally harmful. Bitcoin was developed solely to facilitate decentralised payments, that is, to allow people to send and receive payments without an intermediary such as a bank. Ethereum, on the other hand, was designed to do more than just send and receive ETH. Proof of work systems such as Bitcoin have drawn a lot of criticism for the amount of energy expended by the computer hardware involved.

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Second, only to Bitcoin, the most notable cryptocurrency to watch is Ether . In Staffordshire in the UK, Ash Andrews is hoping to still make profits mining for other coins with his existing equipment. “It’s tough, as no other Proof of Work currencies are as profitable as Ethereum,” spokesman Ammar Lashkari said. “We’re going to keep some of our Ethereum computers and start mining alternative coins but it will not be the same, so we’re going to slowly diversify into Bitcoin mining.” Everyday laptops and desktops can be used instead of expensive computers with powerful GPUs .

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The initial infrastructure, known as the Ethereum “Mainnet”, was facing scalability and energy consumption issues to match the global need for transaction processing speeds. PoS is a consensus mechanism that was developed as an alternative to PoW. In a PoS system, validators (also known as “stakers”) are chosen to validate blocks of transactions based on the amount of cryptocurrency they hold.

How much can you earn by staking Ethereum?

Both PoW and PoS have their own unique features and characteristics, and they are used for different purposes in different blockchain projects. It is quite similar to a voting concept where one person votes. Here instead of participants, there are validators to confirm the transaction in the blockchain. Each validator stakes a certain amount of crypto behind the block they want to validate.


Aside from that, PoW is also more battle-tested, having been the backbone of bitcoin – the largest and most widely known cryptocurrency – since its inception. With ethereum planning to switch to proof-of-stake, hopeful validators are staking an increasing amount of ETH . Wait until the completion of the upgrade to receive Ethereum rewards – if you stake Ethereum now before ETH2 has completed, you cannot access it or withdraw rewards. Potentially, you may have to wait a year or more before receiving Ethereum rewards. There is a bit of a learning curve if you become an Ethereum validator, and you do need a little blockchain expertise, but once you gain that experience and learn how to stake Ethereum, it’s a great path to take.

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And with PoW on the other hand, the days that an old laptop was sufficient for mining, are long gone. In the case of Proof of Work, the larger the computing power owned by the actor, the more transactions they are able to confirm on the blockchain. Proof of Stake , Proof of Work and Proof of Authority are commonly used terms within the crypto industry.

Ethereum moved to proof of stake. Why can’t Bitcoin? – MIT Technology Review

Ethereum moved to proof of stake. Why can’t Bitcoin?.

Posted: Tue, 28 Feb 2023 08:00:00 GMT [source]