虽然有宣传作用,但极大的浪费了区块链的空间。
Why New Forms of Spam Could Bloat Bitcoin's Block Chain
http://www.coindesk.com/new-forms-spam-bloat-bitcoins-block-chain/Junk in the block chainThe block chain’s ability to use cryptographic hashes as a permanent and public way to record and store information is impressive.
This, in turn, has attracted the efforts of projects such as Monegraph and Proof of Existence, which provide software to help people hash things such as art or software to prove authorship of the works.
Now there is concern that, while the above concepts are being created to utilize the block chain in a positive way, others might try to use it as a wasteful advertising method.