how to import:
```
const sha2_224 = require('simple-js-sha2-224')
```
hashing:
```
sha2_224('hello') // ea09ae9cc6768c50fcee903ed054556e5bfc8347907f12598aa24193
```
performance: 
77.8 kh/s ~ (Core I7-7920HQ single thread)

# contribute

bitcoin address: 1KKiniL7QnMPZZLjgGB2Kq1d7zsjUr6TnS

ethereum address: 0x177b258bD53A8F7d8C609A9277A60A51d1e7e0e0