Is there a single key factor in the difference between the assurances in PoS vs PoW? The knowledge and proof that there is a real world, inescapable cost to both producing the currency, & editing the chain history - unforgeable costliness.  Learn about this, the private keys attacks that risk entire contesting histories in PoS systems, and to the nothing-at-stake problem. This and more in today's read!

Check out the original (hit that applause button) plus the other great pieces Hugo has on his Medium page!
https://medium.com/@hugonguyen/proof-of-stake-private-keys-attacks-and-unforgeable-costliness-the-unsung-hero-5caca70b01cb

For a deeper dive into unforgeable costliness, listen to the absolute essential read, by Nick Szabo, "Shelling Out, The Origins of Money."
https://anchor.fm/thecryptoconomy/episodes/Shelling-Out---The-Origins-of-Money-Nick-Szabo-e2ndom

If you want to support the tons of work in making audio versions and expanding on all the best written works around Bitcoin and the Cryptoconomy, become a patron below!
https://patreon.com/thecryptoconomy

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