Advertisement on Blockchain: TD Ameritrade Marks Its Name on Bitcoin Ledger

[kreslik.news]

Omaha-based brokerage firm TD Ameritrade has pasted an ASCII flag imprint on the Bitcoin permanent ledger to advertise about the company on the blockchain.

According to the company, it sent 68 consecutive Bitcoin transactions to create a digital logo printing the company’s name. It used the OP_Return feature of the bitcoin protocol, that allows inserting any message regarding the transaction, to pass the characters. However, the transactions were invalid and no exchange of Bitcoin happened. Due to the very nature of the blockchain, the flag containing TD Ameritrade’s will be there permanently on Bitcoin’s ledger.

In the official announcement, the company noted: ... (read more)