Short Takes: Coinbase's DeFi extension; Facebook Diem & Silvergate; $1B valuation for banktech Amount and $2B Ethos life insurtech; Zapper raises $15MM; Amazon palm scanner; Burning Shiba

Hi Fintech Architects --

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

Here are the top ones hitting our radar:

1. Amazon is bringing its Amazon One palm scanner to select Whole Foods as a payment option (link here)

2. U.S. Insurtech Ethos Raises $200 Million Through Series D Investment Round; Boosts Valuation to $2 Billion (link here)

3. Hong Kong L…