Powers of tau files
===================

These are universal reference string for pairing based SNARK-s (KZG, Groth16, etc) using the bn128 elliptic curve.

Different sizes are available:

- 2^8 (380 kB)
- 2^12 (4.8 MB
- 2^16 (75 MB)
- 2^20 (1.2 GB)
- 2^22 (4.8 GB)

Links:
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- [read here about the ceremony](https://medium.com/coinmonks/announcing-the-perpetual-powers-of-tau-ceremony-to-benefit-all-zk-snark-projects-c3da86af8377)
- [challenge / response history](https://github.com/weijiekoh/perpetualpowersoftau) @ Koh Wei Jie github	
- [challenge / response history](https://github.com/privacy-scaling-explorations/perpetualpowersoftau) @ Ethereum Privacy Scaling Exploration
- the files were downloaded [from the links in the snarkjs repo](https://github.com/iden3/snarkjs) (scroll down)
 
File format
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TODO