Exciting news for Marvel fans - an NFT of legendary late Stan Lee's last unpublished superhero - Chakra the invincible - is all set to drop on December 27. The auction date announced by NFT marketplace Guardianlink coincides with Stan Lee's 99th birthday. To tell us more about this, Sandrina Paula and Ramkumar Subramaniam of Guardianlink join us on this week's episode of Coffee and Crypto.