[{"type":"report","id":"BLC-STUDY-0291","title":"Add BLAKE2 compression function `F` precompile","author":[{"literal":"Tjaden Hess"},{"literal":"Matt Luongo"},{"literal":"Piotr Dyraga"},{"literal":"James Hancock"}],"issued":{"date-parts":[[2016]]},"publisher":"Tjaden Hess , Matt Luongo , Piotr Dyraga , James Hancock","URL":"https://eips.ethereum.org/EIPS/eip-152","note":"Rights status: Official external source only. Not a licence to republish the paper."}]