Transaction 2b781fb24fa9389f73d3bf22738d7bd9e64d9a481bcd6f673e6f0295189e5b40

Block #452606

2017-02-11 21:41:15 +0000 UTC (~7 years, 6 months ago)

BTC Burned: 🔥0.0000543 BTC🔥

Inputs

169zK28exbLouYbGMiCNUDffdyLFFym3nv

OP_DUP OP_HASH160 388bcc12b9e4b98f079a537364ff338b60866381 OP_EQUALVERIFY OP_CHECKSIG pubkeyhash

Outputs

123AnditsGone111111111111111Ymiao1

OP_DUP OP_HASH160 0b612096a2499a212f9248f63bd07d92144fd007 OP_EQUALVERIFY OP_CHECKSIG pubkeyhash

6a2d78eef7cc552b46cfb494f5962b30ff9d2e0c448e119ccd0b2b9d6c33b6096edcfed64c57fc2b3f07b289a572bb

OP_RETURN 78eef7cc552b46cfb494f5962b30ff9d2e0c448e119ccd0b2b9d6c33b6096edcfed64c57fc2b3f07b289a572bb nulldata

169zK28exbLouYbGMiCNUDffdyLFFym3nv

OP_DUP OP_HASH160 388bcc12b9e4b98f079a537364ff338b60866381 OP_EQUALVERIFY OP_CHECKSIG pubkeyhash

How did this transaction burn BTC?

OP_RETURN outputs

OP_RETURN is a provably unspendable method that allows embedding of arbitrary data into the blockchain¹.

OP_RETURN outputs are used to embed data such as messages, commitments from systems like Stacks², or even files - there are no constraints on the nature of the data, only on the size per OP_RETURN output.

As they are provably unspendable, OP_RETURN outputs are pruned from the UTXO set automatically and do not contribute to the UTXO set size.

Although OP_RETURN outputs are exempted from the Dust Limit and can be 0-value, some users choose to transfer BTC to the output. This BTC is permanently and irreversibly lost, and reduces the circulating supply of Bitocin.

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Burn Address

Bitcoin addresses are generated by base58 or bech32 encoding the hash of a public key or script, along with a version and checksum.

As the encoding is directly performed on this hash value, it is possible to generate a valid address for which the pre-image public key or script is unknown. This is known as a burn address.

This is commonly done to create a visually distinct address, and to demonstrate some level of “nothing up my sleeve” transparency. The hash values are picked to be values that are improbably to have been generated by chance (due to the immense computational power required to find a pre-image that hashes to a specific value).

While some burn addresses were used in Proof-of-Burn schemes, the majority of burn addresses are simply vanity addresses used to simply burn coins or encode a message into the blockchain.

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Raw Transaction

{
  "txid": "2b781fb24fa9389f73d3bf22738d7bd9e64d9a481bcd6f673e6f0295189e5b40",
  "hash": "2b781fb24fa9389f73d3bf22738d7bd9e64d9a481bcd6f673e6f0295189e5b40",
  "version": 1,
  "size": 281,
  "vsize": 281,
  "weight": 1124,
  "locktime": 0,
  "vin": [
    {
      "txid": "5e4a57fb008f029e97cce795c6ee0380c146a2588c876b0674d523549c5a39a9",
      "vout": 2,
      "scriptSig": {
        "asm": "3044022100bf0634b20c2d5375b9ac20779dd160e13866aee2f4ff063713f5a164d8e8d517021f29e4d9423a015b9eb80e32c40761f4177d6c04dbe461862d10080903beeed5[ALL] 0397f92b06ec25506564ef25635ae1adfcabaa284c86380087dd257d7c858a8eda",
        "hex": "473044022100bf0634b20c2d5375b9ac20779dd160e13866aee2f4ff063713f5a164d8e8d517021f29e4d9423a015b9eb80e32c40761f4177d6c04dbe461862d10080903beeed501210397f92b06ec25506564ef25635ae1adfcabaa284c86380087dd257d7c858a8eda"
      },
      "prevout": {
        "generated": false,
        "height": 452176,
        "value": "0.00580357",
        "scriptPubKey": {
          "asm": "OP_DUP OP_HASH160 388bcc12b9e4b98f079a537364ff338b60866381 OP_EQUALVERIFY OP_CHECKSIG",
          "desc": "addr(169zK28exbLouYbGMiCNUDffdyLFFym3nv)#v32l2tg7",
          "hex": "76a914388bcc12b9e4b98f079a537364ff338b6086638188ac",
          "address": "169zK28exbLouYbGMiCNUDffdyLFFym3nv",
          "type": "pubkeyhash"
        }
      },
      "sequence": 4294967295
    }
  ],
  "vout": [
    {
      "value": "0.00005430",
      "n": 0,
      "scriptPubKey": {
        "asm": "OP_DUP OP_HASH160 0b612096a2499a212f9248f63bd07d92144fd007 OP_EQUALVERIFY OP_CHECKSIG",
        "desc": "addr(123AnditsGone111111111111111Ymiao1)#xq4kkav8",
        "hex": "76a9140b612096a2499a212f9248f63bd07d92144fd00788ac",
        "address": "123AnditsGone111111111111111Ymiao1",
        "type": "pubkeyhash"
      }
    },
    {
      "value": "0.00000000",
      "n": 1,
      "scriptPubKey": {
        "asm": "OP_RETURN 78eef7cc552b46cfb494f5962b30ff9d2e0c448e119ccd0b2b9d6c33b6096edcfed64c57fc2b3f07b289a572bb",
        "desc": "raw(6a2d78eef7cc552b46cfb494f5962b30ff9d2e0c448e119ccd0b2b9d6c33b6096edcfed64c57fc2b3f07b289a572bb)#kv6f8qp2",
        "hex": "6a2d78eef7cc552b46cfb494f5962b30ff9d2e0c448e119ccd0b2b9d6c33b6096edcfed64c57fc2b3f07b289a572bb",
        "type": "nulldata"
      }
    },
    {
      "value": "0.00539422",
      "n": 2,
      "scriptPubKey": {
        "asm": "OP_DUP OP_HASH160 388bcc12b9e4b98f079a537364ff338b60866381 OP_EQUALVERIFY OP_CHECKSIG",
        "desc": "addr(169zK28exbLouYbGMiCNUDffdyLFFym3nv)#v32l2tg7",
        "hex": "76a914388bcc12b9e4b98f079a537364ff338b6086638188ac",
        "address": "169zK28exbLouYbGMiCNUDffdyLFFym3nv",
        "type": "pubkeyhash"
      }
    }
  ],
  "fee": "0.00035505",
  "hex": "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"
}