Once $80-million privacy crypto Grin comes under 51% attack

If you were around in 2018 or early 2019, you likely remember the hype around MimbleWimble. MimbleWimble is a privacy technology for cryptocurrencies that is attempting to one-up the technologies use by networks like Zcash or Monero. The technology gained quite a bit of traction in 2019 when two cryptocurrencies using Mimblewimble launched, Grin and…