Transaction ca2d458937fa36edddba7c73dc71ba5f6f42f57bbd61eb5020a77130e3fa1979

Block #528515

2018-06-21 09:51:32 +0000 UTC (~6 years, 1 month ago)

BTC Burned: 🔥0.0000543 BTC🔥

Inputs

1JV6y6jMLXQpy8ssoxMjf5iFk5YC9Ezq4G

OP_DUP OP_HASH160 bfcac4355cc9386c040cec1b8e8aaedeb2194c37 OP_EQUALVERIFY OP_CHECKSIG pubkeyhash

Outputs

1CounterpartyXXXXXXXXXXXXXXXUWLpVr

OP_DUP OP_HASH160 818895f3dc2c178629d3d2d8fa3ec4a3f8179821 OP_EQUALVERIFY OP_CHECKSIG pubkeyhash

6a46b5626311619fe7f355433f5c1376b56b705108506f2cb590b57e3c4ee393ba41c1f61f5e5094ac6f5ea5d4e27272b5ecc1dc071de00d24fa87f55d72cef5e178d5e44c335625

OP_RETURN b5626311619fe7f355433f5c1376b56b705108506f2cb590b57e3c4ee393ba41c1f61f5e5094ac6f5ea5d4e27272b5ecc1dc071de00d24fa87f55d72cef5e178d5e44c335625 nulldata

1JV6y6jMLXQpy8ssoxMjf5iFk5YC9Ezq4G

OP_DUP OP_HASH160 bfcac4355cc9386c040cec1b8e8aaedeb2194c37 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": "ca2d458937fa36edddba7c73dc71ba5f6f42f57bbd61eb5020a77130e3fa1979",
  "hash": "ca2d458937fa36edddba7c73dc71ba5f6f42f57bbd61eb5020a77130e3fa1979",
  "version": 1,
  "size": 306,
  "vsize": 306,
  "weight": 1224,
  "locktime": 0,
  "vin": [
    {
      "txid": "8f91bbd5eaecb9ae6a118460cc27d8056e691c4dfce3d8ec72ed06b710c9c52b",
      "vout": 1,
      "scriptSig": {
        "asm": "304402204f800fe6ba475ae9145965998dc15ea94a9a9091db1df0be595d8b2dcf512c8e02205876ed04e3cd8e2f57ffd100da510805b74b65adb4b2a52f180ba5023c9ffe33[ALL] 03e5e0a8c23a1b969fbae0ec08de1c6e58ffb427be087be8b1d1aba81be517ff3c",
        "hex": "47304402204f800fe6ba475ae9145965998dc15ea94a9a9091db1df0be595d8b2dcf512c8e02205876ed04e3cd8e2f57ffd100da510805b74b65adb4b2a52f180ba5023c9ffe33012103e5e0a8c23a1b969fbae0ec08de1c6e58ffb427be087be8b1d1aba81be517ff3c"
      },
      "prevout": {
        "generated": false,
        "height": 528514,
        "value": "0.00662051",
        "scriptPubKey": {
          "asm": "OP_DUP OP_HASH160 bfcac4355cc9386c040cec1b8e8aaedeb2194c37 OP_EQUALVERIFY OP_CHECKSIG",
          "desc": "addr(1JV6y6jMLXQpy8ssoxMjf5iFk5YC9Ezq4G)#vcexexhu",
          "hex": "76a914bfcac4355cc9386c040cec1b8e8aaedeb2194c3788ac",
          "address": "1JV6y6jMLXQpy8ssoxMjf5iFk5YC9Ezq4G",
          "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 b5626311619fe7f355433f5c1376b56b705108506f2cb590b57e3c4ee393ba41c1f61f5e5094ac6f5ea5d4e27272b5ecc1dc071de00d24fa87f55d72cef5e178d5e44c335625",
        "desc": "raw(6a46b5626311619fe7f355433f5c1376b56b705108506f2cb590b57e3c4ee393ba41c1f61f5e5094ac6f5ea5d4e27272b5ecc1dc071de00d24fa87f55d72cef5e178d5e44c335625)#zg6nvn2u",
        "hex": "6a46b5626311619fe7f355433f5c1376b56b705108506f2cb590b57e3c4ee393ba41c1f61f5e5094ac6f5ea5d4e27272b5ecc1dc071de00d24fa87f55d72cef5e178d5e44c335625",
        "type": "nulldata"
      }
    },
    {
      "value": "0.00656309",
      "n": 2,
      "scriptPubKey": {
        "asm": "OP_DUP OP_HASH160 bfcac4355cc9386c040cec1b8e8aaedeb2194c37 OP_EQUALVERIFY OP_CHECKSIG",
        "desc": "addr(1JV6y6jMLXQpy8ssoxMjf5iFk5YC9Ezq4G)#vcexexhu",
        "hex": "76a914bfcac4355cc9386c040cec1b8e8aaedeb2194c3788ac",
        "address": "1JV6y6jMLXQpy8ssoxMjf5iFk5YC9Ezq4G",
        "type": "pubkeyhash"
      }
    }
  ],
  "fee": "0.00000312",
  "hex": "01000000012bc5c910b706ed72ecd8e3fc4d1c696e05d827cc6084116aaeb9ecead5bb918f010000006a47304402204f800fe6ba475ae9145965998dc15ea94a9a9091db1df0be595d8b2dcf512c8e02205876ed04e3cd8e2f57ffd100da510805b74b65adb4b2a52f180ba5023c9ffe33012103e5e0a8c23a1b969fbae0ec08de1c6e58ffb427be087be8b1d1aba81be517ff3cffffffff0336150000000000001976a914818895f3dc2c178629d3d2d8fa3ec4a3f817982188ac0000000000000000486a46b5626311619fe7f355433f5c1376b56b705108506f2cb590b57e3c4ee393ba41c1f61f5e5094ac6f5ea5d4e27272b5ecc1dc071de00d24fa87f55d72cef5e178d5e44c335625b5030a00000000001976a914bfcac4355cc9386c040cec1b8e8aaedeb2194c3788ac00000000"
}