Bitcoin can be converted to cash easily in a bunch of different ways. You can sell Bitcoin on a cryptocurrency exchange like eToro or Crypto.com. This is usually the easiest option. Once you sell it for cash you can withdraw it straight to your bank account. This is a simple way to convert your Bitcoin to cash, but you must remember that the price of a Bitcoin is changing all the time. Yes, you may need cash, but you might be kicking yourself a few years down the road if the price of Bitcoin skyrockets over and over again. Right, sorry. “Non-fungible” more or less means that it’s unique and can’t be replaced with something else. For example, a bitcoin is fungible — trade one for another bitcoin, and you’ll have exactly the same thing. On balance, societies will eventually have to write off the cumulative energy consumption (including unpriced negative externalities), investment costs of hardware, the built-up human capital of the Bitcoin ecosystem, the cumulated work and a good dose of societal consensus. Moreover, in the meantime the Bitcoin network will have facilitated criminal activities by providing a means of illicit payments. All these costs are broadly proportional to the market capitalization that Bitcoin will reach and are moreover driven by the overall duration of the Bitcoin cycle. polkadot crypto price , (2021) concludes from similar observations that Bitcoin is a negative-sum game for society even worse than a Ponzi scheme.