>The existing Visa credit card network processes about 15 million Internet purchases per day worldwide. Bitcoin can already scale much larger than that with existing hardware for a fraction of the cost. It never really hits a scale ceiling. If you're interested, I can go over the ways it would cope with extreme size.
There are other cryptocurrencies than BTC, like Bitcoin Cash (BCH) and Dash, which work well for any transaction, big or small, with low fees and fast confirmations.
It’s like using a wire transfer (~$30 fee) for every transaction. Most people use credit cards or other “delayed settlement” payment methods even with existing fiat currency, so it’s not really fair to compare Bitcoin blockchains transactions to this. Sidechains and other enhancements can easily make low-risk Bitcoin transactions as fast as existing fiat payments.
And more importantly, what utility does that have for the network?
The whole idea in their heads is that nodes will "validate" transactions. Which doesn't make any sense because it's the person engaging in a transaction (on either end) that cares about the state of the blockchain, not some random neutral third party. Your full node can detect an invalid transaction all day but without a way to tell the guy who's about to treat that invalid transaction as valid, the utility isn't there.
No, the real threat to the Bitcoin network is and has always been that a hostile actor would get 51% hashpower (or almost 50% but not quite and roll the dice until they won a few blocks in a row) and issue double-spend attacks.
I have an old Dell U2713HM, but text looks terrible on it when connected to my MBP. It looks fine with other computers running Windows or Linux, but not with the MBP for whatever reason. I already tried all the configuration changes suggested in various places around the Internet, but it doesn't make any difference. Is it possible it could be because I'm using a DisplayPort to USB-C adapter?
I'm looking at buying a new monitor to get past the problems with my old one. The ViewSonic VP2771, but I can't find it in stock anywhere close to me. Does anyone have a suggestion a similar product? 1440p, 27", USB-C, specifically for use with a MBP.
I’ve seen this with my 2410U on hdmi. It had to do with the colour being send being in ~~cymk~~ YPbPr instead of rgb which makes the display think it is acting as a TV and applies some smart stuff. This is fixable with a monitor profile but I do not have link ready.
You may try adjusting the font smoothing configuration in MacOS. It used to be in System Preferences > General but since the Big Sur release it has been removed from there. Setting it in the terminal seems to continue to work
