That you have your bitcoin on hardware wallet or phone or computer.

All bitcoin is in the blockchain and the devices only contain private keys that allow you to transfer ownership of the bitcoins.

I switched to Fulcrum recently after having been using ElectrumX for the past 4 years or so. The main difference I noticed that Fulcrum writes to the disk much less than ElectrumX would. Like an order of magnitude less. Apart from that, the work quite similarly.

No. If you get the same addresses, the restore was successful.

Not necessarily. The best practice is not to reuse addresses. One reason is that by spending, the public key is revealed and can be attacked. Prior to spending, only the HASH160 of the public key, i.e., RIPEMD160(SHA256(pubKey)), is known, which is not vulnerable to direct quantum attack.

Ancient P2PK transactions did not have this protection and the public keys are known. Meaning they are the prime targets for exploitation, and in some sense the best way to demonstrate viable large-scale quantum computer capable of generating private key for a given public key.

This or similar sidechannel is the reason why Trezor One wallet has these weird lines around the PIN pad. This way, the same number of pixels are lit in each line, making it harder to guess the random arrangement of numbers from emissions.

Image credit: https://www.hedgewithcrypto.com/trezor-model-one-review/

Turns out that industrial economy cannot thrive without cheap reliable energy. Who would have thought?

I’m not happy about it, though, because industry in my country exports heavily to Germany. German declines of a few percent will impact our industry much harder because our economy is much smaller.

Definitely go read the PDF. There are some real pearls in it, such as:

It's not about Trump himself, but about his detractors. Simply put, Trump has all the right enemies.

I like this. The moment someone cracks an ancient P2PK transaction will be the moment quantum computing has arrived.

And also by making our industry uncompetitive with misguided green policies.

Skvělá práce. Great job.

Incredible. And now it will be recorded forever.

Awesome! Can't wait to add this to my electrum server to receive tips.

I think the issue is that most of us and people around us live in countries who do nothing too egregious with the money. Yes, inflation sucks, but it is not super terrible, particularly compared to buying and selling bitcoin at the wrong time.

When they start bailing-in the banks, seizing money for going to the wrong protest, introducing capital controls on spending and ATM withdrawals, people will start to get it.

Of course, there will be this "it won't happen to me" mentality, but that is a human universal - nothing to be done about it. For these people, it will, unfortunately, be too late.

What a headscratcher. Somebody knows what they're doing here. I've never seen many of these transaction types before.