Jonas Schnelli firmly believes that Bitcoin should be a means of payment rather than an investment tool. If Bitcoin becomes a global payment tool in the future, the price of Bitcoin will increase substantially. There is nothing unbreakable in the world, Bitcoin is also, if the quantum computer appears, bitcoin protected with ECDSA will be broken. At the same time, it is said that giving up the POW is indeed a positive thing, but it is very difficult and cannot be implemented.
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