Quote from: Dabs on December 24, 2019, 01:58:18 PM

I've seen some miners or entities approach 51%. They need much more than 51%.. or 50% + 1. It has to be sustained too. I'm not talking about PoS, we are talking about miners, proof of stake was never in the discussion. I'm not confused.

I've yet to see any miner or group of miners or government even attempt to try to do 51% (or more, as needed). You say it's so easy, but why haven't they done it? There's also a lot of bureaucracy involved.

As for vendors, if they just wait 10 seconds after they first see the transaction and then check the transaction in question, they can determine if a double spend is likely or not. Part of that would be to not immediately accept if RBF was used.

That video is mostly false propaganda, but I stopped watching after about 20 seconds when they started using the usual "bad" words to describe bitcoin. Waste of time to watch the rest of it. The first few comments says a lot already.

No , they only need 51% with a PoW coin,
but it is the same as having a loaded gun, if no one pulls the trigger then no one gets hurt,
as long as the top 4 mining pool operators don't collude to pull off a 51% attack, then no harm.
But you are not trusting hashrate to secure bitcoin, you are trusting the top 4 mining pool operators. Tongue

As far as when the Governments are planing an all out attack on bitcoin, contact your local CIA office for the details.

The video demonstrates anyone foolish enough to accept a crypto coin without waiting the recommend confirmations is just asking to be double spent on. And accepting zero confirmations is an idiot move, bitcoin has always recommended waiting 3 confirmations.