Samson Mow, the CSO of Blockstream, and he recently spoke about the Blockstream’s Green wallet on the most recent episode of Magical Crypto Friends. This is a series where Samson Mow, Monero’s developer Riccardo Spagni, WhalePanda, a Bitcoin proponent, and Charlie Lee, Litecoin creator, address the events in the crypto space. Mow was saying that Green Wallet is a rebrand of Blockstream’s Green Address which is known for 2-of-2 multi-sig. He also said that there would be a second factor that authorizes each transaction and the second key would be held by the Green Address server, as reported by AMBCrypto. (full story)