Short takes: $5B Plaid and Visa deal falls apart, $9B Affirm IPO, $1.7B Mambu, SPACs for SoFi and Bakkt, Walmart & Ribbit mystical fintech announcement

Hi Fintech Architects --

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

Here are the top updates hitting our radar:

1. $5B Plaid and Visa deal falls apart (link here)

2. Affirm aims for $9 billion valuation on IPO (link here)

3. SoFi to Go Public in $8.65 Billion SPAC Deal with Chamath Palihapitiya’s Social Capital (link here)

4. Orange Bank acquires Fren…