about bitcoin fee, i think it was cheap before bitcoin price spiked. but for now,
bitcoin transaction fee i think the most expensive in cryptocurrency.
I wouldn't be too sure about that. Think I've been paying 1 satoshi per byte or less on my transactions for weeks now and still getting the majority of them confirmed within the next block, longest I had to wait was 3 blocks (that comes down to about 120 satoshi per transaction, by the way). At today's price, which has been the highest in a long time, that's something like 0.85 cents. Pretty sure there are several cryptos out there with more expensive fees.
Lowest recommended gas price on Ethereum now for next block confirmation is at 1.2 cents.