@ -24,11 +24,12 @@ The "Zdash" Genesis Block was mined November 17 2016 and the name was changed to
The [first Hush source code](https://git.hush.is/hush/hush) was fork of Zcash 1.0.8 (itself a fork of Bitcoin 0.11.2).
The original version of HUSH used a Difficulty Adjustment Algorithm of Digishield V3, inherited from Zcash. It also inherited optional privacy (zaddrs were not mandatory to use) from Zcash.
When the [Sprout CVE](https://hush.is/sapling/) took a shit on the industry, Duke Leto
decided to migrate to a Komodo (KMD) source code fork, which was based on Zcash 2.0. This was the least amount
of work to switch to Sapling zaddrs and still have Delayed-Proof-of-Work and various other improvements. A major reason for this is that Duke Leto was also a KMD core developer and had written thousands of lines of code and added new features to KMD, which the community wanted to also have in the new version of HUSH.
A very nice history of Hush releases can be found here: https://en.everybodywiki.com/Hush_(cryptocurrency) . Click "Expand" to see the full release history.
## Cryptopia Double Spend Attack
Hush was one of the many coins which were attacked on Cryptopia. Delayed-Proof-of-Work had already been
