Transaction c497fe920233309dd1fef9fb153f668d403e1f53a6bf5fe87199bf4608c1321e

Block #401886

2016-03-09 16:37:46 +0000 UTC (~8 years, 5 months ago)

BTC Burned: 🔥0.001 BTC🔥

Inputs

1JpPbpMpWxgknR3w9nePZre1MJoU1ARzFE

OP_DUP OP_HASH160 c3708de65b491e3adffd40a48d74d64672b9a4a4 OP_EQUALVERIFY OP_CHECKSIG pubkeyhash

Outputs

6a2769643f227fd48d3325f681caa772dffe591d806bc830710c2b60bdb344f729766ca572d28a72c8

OP_RETURN 69643f227fd48d3325f681caa772dffe591d806bc830710c2b60bdb344f729766ca572d28a72c8 nulldata

1JpPbpMpWxgknR3w9nePZre1MJoU1ARzFE

OP_DUP OP_HASH160 c3708de65b491e3adffd40a48d74d64672b9a4a4 OP_EQUALVERIFY OP_CHECKSIG pubkeyhash

1111111111111111111114oLvT2

OP_DUP OP_HASH160 0000000000000000000000000000000000000000 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": "c497fe920233309dd1fef9fb153f668d403e1f53a6bf5fe87199bf4608c1321e",
  "hash": "c497fe920233309dd1fef9fb153f668d403e1f53a6bf5fe87199bf4608c1321e",
  "version": 1,
  "size": 276,
  "vsize": 276,
  "weight": 1104,
  "locktime": 0,
  "vin": [
    {
      "txid": "1e9f147b01bf9dda897441ada724b6251e80852650574bddc35e561116cbd6dd",
      "vout": 1,
      "scriptSig": {
        "asm": "3045022100f6a0573496f3986185098812fcd9ba993ec8d0c82b544a64b186ed471c4300b0022025754d7bbbbb3408ae09e3a5ae809218ec3c6663d2074d1ae796bdd1fe9b527a[ALL] 0219d7bd9e09b3ca2211f28c5b1de6666d121ceea154d70b492fe97293aa929a92",
        "hex": "483045022100f6a0573496f3986185098812fcd9ba993ec8d0c82b544a64b186ed471c4300b0022025754d7bbbbb3408ae09e3a5ae809218ec3c6663d2074d1ae796bdd1fe9b527a01210219d7bd9e09b3ca2211f28c5b1de6666d121ceea154d70b492fe97293aa929a92"
      },
      "prevout": {
        "generated": false,
        "height": 401884,
        "value": "0.02818830",
        "scriptPubKey": {
          "asm": "OP_DUP OP_HASH160 c3708de65b491e3adffd40a48d74d64672b9a4a4 OP_EQUALVERIFY OP_CHECKSIG",
          "desc": "addr(1JpPbpMpWxgknR3w9nePZre1MJoU1ARzFE)#2tcnm549",
          "hex": "76a914c3708de65b491e3adffd40a48d74d64672b9a4a488ac",
          "address": "1JpPbpMpWxgknR3w9nePZre1MJoU1ARzFE",
          "type": "pubkeyhash"
        }
      },
      "sequence": 4294967295
    }
  ],
  "vout": [
    {
      "value": "0.00000000",
      "n": 0,
      "scriptPubKey": {
        "asm": "OP_RETURN 69643f227fd48d3325f681caa772dffe591d806bc830710c2b60bdb344f729766ca572d28a72c8",
        "desc": "raw(6a2769643f227fd48d3325f681caa772dffe591d806bc830710c2b60bdb344f729766ca572d28a72c8)#zfp8lm62",
        "hex": "6a2769643f227fd48d3325f681caa772dffe591d806bc830710c2b60bdb344f729766ca572d28a72c8",
        "type": "nulldata"
      }
    },
    {
      "value": "0.02692330",
      "n": 1,
      "scriptPubKey": {
        "asm": "OP_DUP OP_HASH160 c3708de65b491e3adffd40a48d74d64672b9a4a4 OP_EQUALVERIFY OP_CHECKSIG",
        "desc": "addr(1JpPbpMpWxgknR3w9nePZre1MJoU1ARzFE)#2tcnm549",
        "hex": "76a914c3708de65b491e3adffd40a48d74d64672b9a4a488ac",
        "address": "1JpPbpMpWxgknR3w9nePZre1MJoU1ARzFE",
        "type": "pubkeyhash"
      }
    },
    {
      "value": "0.00100000",
      "n": 2,
      "scriptPubKey": {
        "asm": "OP_DUP OP_HASH160 0000000000000000000000000000000000000000 OP_EQUALVERIFY OP_CHECKSIG",
        "desc": "addr(1111111111111111111114oLvT2)#ula7cdg0",
        "hex": "76a914000000000000000000000000000000000000000088ac",
        "address": "1111111111111111111114oLvT2",
        "type": "pubkeyhash"
      }
    }
  ],
  "fee": "0.00026500",
  "hex": "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"
}