Nah, Nucleus is basically like a top 3 lottery pick coming with a lot of pedigree behind it, ECA is the late 2nd rounder who could boom or bust.
Ethereum BlockChain Explorer and Search
Type the name of the coin in there, if it shows up it's ERC20.
You would have to send them back and forth between binance, and they charge you to do it too.
Nah, ERC20 are tokens that are just based on the ethereum platform. To get Nucleus in the whitelist you need to send them some eth as payment.
What are these gas prices?