1. Not open source software/hardware 2. No clear commitment to open source software/hardware made 3. Block gets 100% visibility into all transactions due to 2-of-3 multisig architecture 4. No ability to verify addresses or amounts (no screen) 5. Still $150 + shipping w/o screen "Gets many more people thinking about self-custody in #Bitcoin" Worth Reading about #Bitkey here: www.zherbert.com/bitkey