toongeorges
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So each machine consumes what a household would use.
Always makes me laugh when people get all worked up about BTC not being green. The traditional banking system uses far more energy.
What's the energy footprints of all the banking branches, the heating, the air conditioning, the employees who need to travel to the branch to work, the customers who need to travel, the guns and trucks needed to transport money, the material and energy to print physical money, the energy for ATMs and on and on....?
And soon cryptos like Ethereum and Solana will be able to replace all the functions of a bank using much less energy using POS.
Layer2 solutions will reduce the speed and cost of bitcoin transaction. Lightning Network
Ethereum is used for a lot for decentralized finance purposes. That's a huge driver in the price. Other cheaper/smaller blockchains are already muscling in on its high prices (Solana BNB). But ETH has first mover advantage. This is also the concept behind the NFT craze. Smart Contracts
Bitcoin mining usually goes where the electricity is cheapest. Green energy from hydro dams is usually the cheapest. In China they would physically move their mining farms to where the cheapest electricity was seasonally (hydro or subsidized coal). In the US and Canada, this is almost always Hydro. Green energy is usually just cheaper.
Layer1 will never be able to compete with creditcards, but Lightning network (Layer 2 or L2) will. This is somewhat the strategy behind El Salvador. Chivo wallet uses the Lightning network for a lot of work. Your CC vendor spends like 1-3% of the transaction on fees. Sure its fast, but the vendor is paying 2.5% for the privilege.
The cost of mining and price of bitcoin secures the blockchain. The blockchain is protected simply because to attack it, you'd need to mine more than everyone else combined. There are no counterfeit bitcoins. It is not something that can exist. Your ownership and all other ownership of all other bitcoins is secured every time a new bitcoin is created. The creator has to solve an increasingly challenging problem and then verify all previous solutions in order to achieve ownership of the next bitcion. (hence the name blockchain, each BTC exists in a block and they're chained together).
Quantum computing doesn’t work quite like that is a long way out from being able to break complex encryption.Regarding the security of the network, what about quantum computers? Can’t they, if created, or if already exist secretly, hack these cryptos? But then again, can’t they also mess with other things as well? Often governments have capabilities exceeding current known capabilities, like for example, when the code breakers in WWII hacked the German Enigma machine, or when they had radar that was able to know the enemy’s position, etc. I have however heard of someone mention the term quantum resistant cryptos, but I’m not sure if bitcoin is one of them or if this might be possible to do with an upgrade.
In addition to the Layer 2 solution, regarding competing with credit cards, I’m surprised actually that companies like Paypal, Visa, and Mastercard have been seemingly very friendly and adoptive of crypto. See below articles for example. I don’t understand how these companies allowing crypto might work in terms of transaction speed. Are these actions by these payment companies going to basically allow people to use their network to effectively and easily pay using their crypto?
Mastercard says any bank or merchant on its vast network can soon offer crypto services
The announcement could lead to a significant expansion in the ways regular Americans earn and spend bitcoin and other cryptocurrencies.www.cnbc.com
Exclusive: Visa moves to allow payment settlements using cryptocurrency
Visa Inc said on Monday it will allow the use of the cryptocurrency USD Coin to settle transactions on its payment network, the latest sign of growing acceptance of digital currencies by the mainstream financial industry.www.reuters.com
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