You can use a blockchian to as a trusted timestamping service https://strongcoin.com/blog/using_the_blockchain_as_a_trusted_timestamping_service https://strongc

You can use a blockchian to as a trusted timestamping service https://strongcoin.com/blog/using_the_blockchain_as_a_trusted_timestamping_service https://strongcoin.com/blog/using_the_blockchain_as_a_truste... Wether this would hold up in court or not is another matter.