@amiramnoam - Excellent find my friend. It is necessary for newbies like me to understand the basics of blockchain. Crypto investment is not easy (as pointed out by Ivan) unless we know what we are doing.
I like the way you have described Ivan's interest and commitment to crypto. "You can see his heart...". Nice.
Thanks for pointing out. Upvoted full through Steemfollower.

Regards,

@vm2904