The Ultimate Casascius Coin Collection with Jon Allen

Learn more and shop the Casascius coins in the video here: https://4k.com/brand/casascius

What is 4K?
4K is the world’s first decentralized marketplace for NFTs backed by physical assets. 4K acts as the bridge between physical and digital worlds by enabling users to buy and sell tokenized, authenticated goods.

Twitter: https://twitter.com/4kprotocol
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Видео The Ultimate Casascius Coin Collection with Jon Allen канала 4K