Bitcoin Address
bc1qef6f2qhmyd3543d6rt4cpda6w30pllf7fq0c75tar9zk9pf8n38qjhlcfe
-
Received
1.2 BTC -
Sent
1.2 BTC -
Balance
0.0 BTC
2 Transactions
6+ confirmations
66f656bdf4ef70873cbfb634d33be21de5e45b9b23c5f7288775107c8c1dc53b
4 Inputs Consumed
64 Outputs Created
...Value Transacted : 22.18517759 BTC
6+ confirmations
7f9116228d799f587392f38f5005d822e1bc41de313d6c17de0f57285b15d55c
1 Input Consumed
2 Outputs Created
Estimated Value Sent : 1.2 BTC (more)
"Estimated Value Sent" excludes known change addresses.
For example, let's say we have a single transaction where address A sends 1 BTC to address B and also 1 BTC back to address A as change, then only 1 BTC is estimated to have been sent.
Proper use of a new change address for each transaction (like all HD wallet implementations) obfuscate this feature.
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You can also embed data into the Bitcoin blockchain.