-
mempool
Explore the full Bitcoin ecosystem with mempool.space, or self-host your own instance with one-click installation on popular Raspberry Pi fullnode distros including Umbrel, Raspiblitz, Start9, and more!
-
SurveyJS
Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.
Not sure what people are talking about here, bitcoin mempool doesn't even have a notably large backlog at the moment and fees are currently low/normal: https://mempool.space/
Exchange withdrawals are one to many for btc helping keep size down and most other chains shouldn't have any issues. Don't see how FTX or really any exchange should be bottlenecked by blockchains here.
- Travel, I book hotels/flight with it and once I rented a boat for a family trip
In addition to that I now and then try to pay with Bitcoins at other stores. Last time got excited about boltcards (https://github.com/boltcard/boltcard) there are few places in my country which accept it, but it is quite a new thing.