OP_RETURN
● #975,616
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bc1pk9zx9es95zp0f4tp3pc3ja4jx6vhtdmvxwl95r0xmhlz4tqahtls3rw69p

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Every bubble is an OP_RETURN output etched into Bitcoin. Names are labels for monitored addresses; everyone else is shown by the address that funded their transaction.