Transaction 0118d57363a2fa8fa0f6168f620240a15f3a1581c4840453873d7b35fdc7c01a

Block #484987

2017-09-13 08:15:48 +0000 UTC (~6 years, 10 months ago)

BTC Burned: 🔥0.0000543 BTC🔥

Inputs

1KfuDCpPHkPTck1boJVy7V2MaoYfz9GsqX

OP_DUP OP_HASH160 cccda759986a87250e901e76bec5d6da4679a1cc OP_EQUALVERIFY OP_CHECKSIG pubkeyhash

Outputs

1CounterpartyXXXXXXXXXXXXXXXUWLpVr

OP_DUP OP_HASH160 818895f3dc2c178629d3d2d8fa3ec4a3f8179821 OP_EQUALVERIFY OP_CHECKSIG pubkeyhash

6a457a464d0e9f5176d54c4782eec0926afa69d6e01fc7a90c5bbb34df70552e3274bc84e543a2932fd92defee128087be0347178c4121640a12a1657395760ac8bbeb939e793f

OP_RETURN 7a464d0e9f5176d54c4782eec0926afa69d6e01fc7a90c5bbb34df70552e3274bc84e543a2932fd92defee128087be0347178c4121640a12a1657395760ac8bbeb939e793f nulldata

1KfuDCpPHkPTck1boJVy7V2MaoYfz9GsqX

OP_DUP OP_HASH160 cccda759986a87250e901e76bec5d6da4679a1cc 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": "0118d57363a2fa8fa0f6168f620240a15f3a1581c4840453873d7b35fdc7c01a",
  "hash": "0118d57363a2fa8fa0f6168f620240a15f3a1581c4840453873d7b35fdc7c01a",
  "version": 1,
  "size": 305,
  "vsize": 305,
  "weight": 1220,
  "locktime": 0,
  "vin": [
    {
      "txid": "57aeb981d7c17fe35f2024d33f58815ab85562c961d5430e9c956114e3f24562",
      "vout": 1,
      "scriptSig": {
        "asm": "304402203c66a02d0bfa383979f43e10999fb44e6c550bb9fdd5209c71db034f7a39afcc022026d590275c284fd615f48a1ea4a729965d9a6317c8d746f4c445840a74b9e9c5[ALL] 027bd5dfa4669a8a18a186a11e42e84a410fd8c5de8b387fad83577cfb20003ecf",
        "hex": "47304402203c66a02d0bfa383979f43e10999fb44e6c550bb9fdd5209c71db034f7a39afcc022026d590275c284fd615f48a1ea4a729965d9a6317c8d746f4c445840a74b9e9c50121027bd5dfa4669a8a18a186a11e42e84a410fd8c5de8b387fad83577cfb20003ecf"
      },
      "prevout": {
        "generated": false,
        "height": 471854,
        "value": "0.00078032",
        "scriptPubKey": {
          "asm": "OP_DUP OP_HASH160 cccda759986a87250e901e76bec5d6da4679a1cc OP_EQUALVERIFY OP_CHECKSIG",
          "desc": "addr(1KfuDCpPHkPTck1boJVy7V2MaoYfz9GsqX)#dff0v0cn",
          "hex": "76a914cccda759986a87250e901e76bec5d6da4679a1cc88ac",
          "address": "1KfuDCpPHkPTck1boJVy7V2MaoYfz9GsqX",
          "type": "pubkeyhash"
        }
      },
      "sequence": 4294967295
    }
  ],
  "vout": [
    {
      "value": "0.00005430",
      "n": 0,
      "scriptPubKey": {
        "asm": "OP_DUP OP_HASH160 818895f3dc2c178629d3d2d8fa3ec4a3f8179821 OP_EQUALVERIFY OP_CHECKSIG",
        "desc": "addr(1CounterpartyXXXXXXXXXXXXXXXUWLpVr)#v66r8cp2",
        "hex": "76a914818895f3dc2c178629d3d2d8fa3ec4a3f817982188ac",
        "address": "1CounterpartyXXXXXXXXXXXXXXXUWLpVr",
        "type": "pubkeyhash"
      }
    },
    {
      "value": "0.00000000",
      "n": 1,
      "scriptPubKey": {
        "asm": "OP_RETURN 7a464d0e9f5176d54c4782eec0926afa69d6e01fc7a90c5bbb34df70552e3274bc84e543a2932fd92defee128087be0347178c4121640a12a1657395760ac8bbeb939e793f",
        "desc": "raw(6a457a464d0e9f5176d54c4782eec0926afa69d6e01fc7a90c5bbb34df70552e3274bc84e543a2932fd92defee128087be0347178c4121640a12a1657395760ac8bbeb939e793f)#ueaawar8",
        "hex": "6a457a464d0e9f5176d54c4782eec0926afa69d6e01fc7a90c5bbb34df70552e3274bc84e543a2932fd92defee128087be0347178c4121640a12a1657395760ac8bbeb939e793f",
        "type": "nulldata"
      }
    },
    {
      "value": "0.00025109",
      "n": 2,
      "scriptPubKey": {
        "asm": "OP_DUP OP_HASH160 cccda759986a87250e901e76bec5d6da4679a1cc OP_EQUALVERIFY OP_CHECKSIG",
        "desc": "addr(1KfuDCpPHkPTck1boJVy7V2MaoYfz9GsqX)#dff0v0cn",
        "hex": "76a914cccda759986a87250e901e76bec5d6da4679a1cc88ac",
        "address": "1KfuDCpPHkPTck1boJVy7V2MaoYfz9GsqX",
        "type": "pubkeyhash"
      }
    }
  ],
  "fee": "0.00047493",
  "hex": "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"
}