@crypt0snews https://t.co/j8evo7WkX7 1st ever   on   chain https://t.co/uIR1a5IKGW.   in 2019 from a whitepaper: https://t.co/vD26Eso27q, $HAC, $BTC, $HACD  @HacashDiamond @HacashWorld   @Reddit @opensea @coinbase