[{"type":"report","id":"BLC-STUDY-0647","title":"Halo 2: a proving system without a trusted setup, as published by Zcash","author":[{"literal":"Electric Coin Company"}],"issued":{"date-parts":[[2020]]},"publisher":"Electric Coin Company","URL":"https://zcash.github.io/halo2/","note":"Rights status: Official external source only. Not a licence to republish the paper."}]