# bls [![Build Status](https://travis-ci.org/ChainSafe/lodestar.svg?branch=master)](https://travis-ci.org/ChainSafe/lodestar) [![codecov](https://codecov.io/gh/ChainSafe/lodestar/branch/master/graph/badge.svg)](https://codecov.io/gh/ChainSafe/lodestar) ![ETH2.0_Spec_Version 0.12.0](https://img.shields.io/badge/ETH2.0_Spec_Version-0.12.0-2e86c1.svg) ![ES Version](https://img.shields.io/badge/ES-2017-yellow) ![Node Version](https://img.shields.io/badge/node-12.x-green) This is a Javascript library that implements BLS (Boneh-Lynn-Shacham) signatures and supports signature aggregation. | Version | Bls spec version | | ------- | :--------------: | | 0.3.x | initial version | | 1.x.x | draft #6 | | 2.x.x | draft #7 | > [spec](https://github.com/ethereum/eth2.0-specs/blob/v0.11.1/specs/phase0/beacon-chain.md#bls-signatures) > [test vectors](https://github.com/ethereum/eth2.0-spec-tests/tree/master/tests/bls) ## Usage - `yarn add @chainsafe/bls` ## License Apache-2.0