Is Online Nikkah Valid?
The answer is a resounding yes. As per the reasons mentioned above, marriage is encouraged. Online nikkah is just as valid and binding as in-person nikkah as long as it fulfills the requirements for the marriage contract to become binding.
Marriage is a sacred contract. It represents the joining of two beings and two families and forms the cornerstone of any society. Nikkah is a desirable act, and any attempt to make it easy should be appreciated.
It is natural to be skeptical of modern technology and the way we conduct ourselves in an ever-changing digital landscape. However, more info online nikkah is agreed upon by all schools of thought in Islam as valid and legal, so you do not need to worry.