Satoshi Nakamoto built in defenses against quantum computing attacks – If you use one Bitcoin address one time, then your ECDSA public key is only ever revealed at the one time that you spend bitcoins sent to each address. A quantum computer would need to be to break your key in that short time.

submitted by /u/crazyeyes420
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Bitcoin – The Currency of the Internet

Chatting to a taxi driver last night who tells me he has to pay £120 per week to be able to take card payments in his taxi. We then had to spend a couple of minutes manually typing the numbers into the machine. If only there were a quicker means of payment with lower costs of transacting 🤔

submitted by /u/everyonesastudent
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Bitcoin – The Currency of the Internet

If you have recently received a very small amount of BTC in your wallet unexpectedly, you may be the target of a “dusting attack” designed to deanonymise you by linking your inputs together – Samourai users can mark this utxo as “Do Not Spend” to nip the attack in the bud.

If you have recently received a very small amount of BTC in your wallet unexpectedly, you may be the target of a "dusting attack" designed to deanonymise you by linking your inputs together - Samourai users can mark this utxo as "Do Not Spend" to nip the attack in the bud. submitted by /u/DesignerAccount
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Bitcoin – The Currency of the Internet

My reaction when I spend hours explaining to my colleague that bitcoin is valuable because it’s the first piece of digital scarcity, the hardest money, and a global open access decentralised payment system, and he still insists it’s the same as tulip bulbs

My reaction when I spend hours explaining to my colleague that bitcoin is valuable because it’s the first piece of digital scarcity, the hardest money, and a global open access decentralised payment system, and he still insists it’s the same as tulip bulbs submitted by /u/autonova3
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Bitcoin – The Currency of the Internet