on the wedding night reception, please have beyonce singing
"if you like it, you should put a blockchain on it.. oh oh oh , a oh oh oh"
now seriously. if you want success, make some video's. research
http://lifeonbitcoin.com/ as a way to validate your donation plea. and then go speak to a lawyer about the validity of a marriage contract that is not state approved (not on their special paper)
Haha, this made me laugh out loud. Imagine people using the blockchain as contracts for everything.

"Hey you, go read your contract in block number 288.593 and remember what your job is!"