Since then, we've been looking at how they're being used, how standards are used in other countries and what we can do to support adoption more widely.
Ers hynny, buom yn edrych ar sut maent yn cael eu defnyddio, sut mae safonau’n cael eu defnyddio mewn gwledydd eraill a beth allwn ei wneud i gefnogi eu mabwysiadu’n ehangach.