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3 days agoCrypto mining is (mostly?) total waste… Proof of Work by doing hard but useless calculations and using it as kind of currency is like travelers on a desert world use water as a currency - but by intentionally spilling it 🤦🏻♂️
Great cryptocurrencies does not need power hungry hardware. Eg. Nano (XNO) have a secure network error or using around 17 000 000 times less energy per transaction.

Not current tech. The expectation is to make it work on xcca 50-100 years. See an interview with Emil Kendziorra, founder of Tomorrow Bio, the leading European cryopreservation provider 👇 https://youtu.be/pTVwFKvGYeM
Also, with current technology of preservation they make sure to make as little ice crystals as possible. So they are using cryoprotectants and then induce vitrification.
Vitrification is proven to be reversible for small size things. Even human embryos. A rat kidney is currently the biggest thing to be vitrified, then reversed, implanted and working. We are scaling up, but it will take decades to be working on adult human bodies.