Kadena: Green Proof-of-Work

The biggest misconception in crypto is that Proof-of-Work WASTES energy.

Miners harness vast computing power to secure a Proof-of-work network. All Bitcoin miners combined use massive energy: by some estimates, as much as the country of Chile, which has led to charges of energy waste.

Kadena is committed to sustainable mining.

Kadena Scalable Proof-of-Work is Energy Efficient.

While blockchains using PoS argue that PoW isn't sustainable, the most critical factor contributing to PoW's energy efficiency is the transactions per second (TPS). No matter what the TPS capability is, one day you will hit it, unless you don’t have one like Kadena. This proves the argument that PoW-driven blockchains are unable to provide mining solutions that are energy efficient is not accurate. During the blockchain boom, while most players in the industry opted for the high energy efficiency promises PoS mechanisms offered, Kadena focused its efforts on scalability and dedicated its time to building a scalable and efficient underlying blockchain solution, Chainweb.

Using energy per transactions metrics is invalid.

The following data is from https://digiconomist.net/, a website seeking to sensationalize and antagonize PoW. Let's look at their information on power attributed to a single BTC or ETH transaction.

The whole idea of electricity per transaction on a blockchain is wrong and ill-informed. Energy per transaction metrics are used for marketing purposes, mainly to shed a negative light on cryptocurrencies.

It's the miners participating in the network that affect energy consumption. Doug Beardsley, Director of Engineering at Kadena, explains it well here.

Power attributed to 100k Visa transactions

The electrical cost of 100,000 Visa transactions is 149 kWhBitcoin network average energy consumption per transaction compared to VISA network as of 2020, Statista

Power attributed to 100k ETH 2.0 transactions

These calculations are from Ethereum themselves. It's estimated that ETH 2.0 will allow 64 times the amount of transactions today, which sits at around 15 transactions. That's the number of shard chains (extra data and capacity) being introduced.

  • 100,000 / 960 = 104.2 seconds to process 100k transactions.

Power attributed to 100k KDA transactions.

Kadena can push Chainweb to 100k transactions per second and beyond. This will be a groundbreaking speed and make it the only scalable PoW blockchain to exist. Compared to PoS, which can sometimes slow down block production to a screeching halt, Chainweb is a much faster and environmentally friendly protocol.

There are currently approximately 1450 unique miners
NHASH, a miner manufacturer, was kind enough to provide approximations for this research. They have new KD5's coming out to make $KDA stronger! https://twitter.com/NHASH_mining/status/1447405636094808064?s=20

BTC, ETH, and KDA Annual Power Consumption

Bitcoin currently uses 172.28 TWh per year. Ethereum currently uses 77.5TWh. We can estimate Chainweb's annual consumption:

Why do governments not push purely renewable energy much more?

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