Short Takes: El Salvador crowns Bitcoin as national legal tender; Dave banking app SPACed at $4B; BlockFi looks to $5B valuation; Truebill gets $45MM; Square crypto wallet

Hi Fintech Architects --

Welcome back to the subscribers-only letter! You are the best.

Here are the top ones hitting our radar:

1. Truebill raises $45 million (link here)

2. Mark Cuban-backed banking app Dave to go public in $4 bln SPAC merger (link here)

3. Etoro and FintechAcquisitionCorp submit registration for SPAC merger (link here)

4. First glimpse of EU's new 'di…