Earlier quoted context omitted.
> According to cryptofees.net, BTC transaction fees average 4% That site hasn't been updated in almost a year. (Check the prices and recent transactions it links to.) Here's a more accurate way to estimate bitcoin's fees. Go to mempool.space and look at the current estimated Low/Medium/High priority fees. That is based on current pending transactions and most of the time, unless you are in a hurry, "Low" is enough to…
Thanks for correcting this. Can you explain the layer-2 network? Is this a separated kind of chain?
Each channel sets their own rates so the cost of transacting this way varies but it usually comes out to a very tiny amount, much less than 0.1%.
This is a pretty good overview with more detail: https://cointelegraph.com/bitcoin-for-beginners/what-is-the-...
The network has grown a ton in the past year and apps like CashApp and Strike now support it.