840_aHR0cHM6Ly9zMy5jb2ludGVsZWdyYXBoLmNvbS91cGxvYWRzLzIwMjItMDQvNmYwNGIyNDEtOTEwMy00YTFjLTk3NDItMDI5M2E1ZGE3MzEwLmpwZw3D3D Continue Reading Previous ETH devs implement first-ever ‘shadow fork’ as PoS testing continues