add browserify field to babelify es2015
add browserify field to babelify es2015
ethereumjs/ethereumjs-block,ethereum/ethereumjs-vm,ethereumjs/ethereumjs-vm,ethereumjs/ethereumjs-vm,ethereumjs/ethereumjs-vm,ethereumjs/ethereumjs-block,ethereumjs/ethereumjs-vm,ethereumjs/ethereumjs-block,ethereumjs/ethereumjs-vm