Cryptocurrency: BadCrypto - ZeroCoin Zcoin Exploited

[grarpamp]

https://zcoin.io/further-disclosure-on-zerocoin-vulnerability/
https://twitter.com/zcoinofficial
https://medium.com/@zcoin
https://twitter.com/matthew_d_green

https://github.com/zcoinofficial/zcoin/wiki/Parameters-in-set-up-phase-for-Zerocoin-in-Zcoin

One Out Of Many Proofs: How to Leak a Secret and Spend a Coin
https://eprint.iacr.org/2014/764.pdf
Short Accountable Ring Signatures Based on DDH
https://eprint.iacr.org/2015/643/20150630:200838
Next gen privacy protocol removes fixed denominations in minting and spending.
http://lelantus.io/

Though ZeroCash Zcash recently had its own big exploit,
this news does not apply to that family.

Comparing privacy coins... many articles are outdated,
and range from biased to wrong, as with all coins...
do not attempt to compare them without researching
their current state.