@IoniAppelberg

@RomanReher

@blocktrainer

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Hi Ioni and Roman,

your videos about Kardashev scale came out within 24 hours. Interesting thoughts! Thank you!

#Bitcoin

https://www.youtube.com/watch?v=qOQMxLRdJ2U

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https://www.youtube.com/watch?v=X7adN61eEjg