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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!
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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.
Buy some bitcoin (2 dollars worth will do, the fees on the bitcoin network as of this moment are a whopping 35 cents for a high priority transaction https://mempool.space/).
Set up a wallet https://bluewallet.io/, send bitcoin there and move it to the lightning network.