Some US banks are beginning to use the Zelle branding in their payment apps and webpages. See https://promo.bankofamerica.com/zelle/ for the specifics for your bank.
One other caution - check within your BoA app or website to find out your daily, weekly, and monthly payment limits with Zelle. I've tried to find a statement from Zelle, and the best I can tell is each bank sets their own limits. I have a CapitalOne account, and it used to be a $2,000/day and $10,000/month limit, but then they sent me an email saying its "at their discretion. Just be sure to not commit to paying more USD for a bitcoin purchase than you can actually send payment for.