To Polkadot Catalan, for a 1h session on the history of blockchain tech, Kusama & Polkadot ecosystem, and Q&A. The KSM address for the group can be found on the Video description.
Link to the video can be found HERE.
The team touches different topics, including: beginning of blockchain tech, Bitcoin and Ethereum, Kusama and Polkadot: functioning, design and infrastructure, Q&A.