BinaryStamp allows anyone to stamp any digital asset. This stamp attributes ownership of a hash to an address at a given time.
Applications of this dApp include: existence and ownership proof at a certain date. This is particularly important to give proper attribution to creators and inventors.
This dApp is using Tezos' mainnet with the following contract KT1GaaBybPBtahDiuMka1F15rKkhfRVe9pYS.