Gems Marketplace

At BlockMark Technologies we have developed and launched the first in our Treasure Island Series* of Collectible Cards and Games ; BlockMark Gems. Use our marketplace to buy, sell, remix and trade valuable gems and crowns – and win the Keys to the Kingdom!

We climbed Everest … because it was there.

Grandpa the philatelist collected stamps…

Dad collected Pannini football stickers (€500M worth per year) the next generation of digital natives are collecting blockchain based digital collectibles.

Find out more about the world of crypto assets & digital collectibles here and crypto kitties here

Collect Gems in a range of cuts, carats and colors. Add Gems to Crown Jewels. And Battle Crown Jewels to win the Keys to the Kingdom.

New Ethereum standards (ERC721) have enabled not just fungible tokens (ERC20 like currencies) but Non Fungible Tokens to be issued & traded on the blockchain. (Find out more at ).

Track the latest BMG ( BlockMark Gems) transactions on the Ethereum ledger here at

* Treasure Island Series Coming Soon…

  • BlockMark Wings &
  • BlockMark Pirates