Transaction 772bf3438b80a1a75a69f51785cfe3e5191db7931e10239b88b0c2994cc218c9

Block #400159

2016-02-26 17:46:50 +0000 UTC (~8 years, 5 months ago)

BTC Burned: 🔥0.0000543 BTC🔥

Inputs

1CPgKzaRsugHntf13kmKZibMFwfrMi9aDS

OP_DUP OP_HASH160 7cf35d1ae2e27aaac18fbf77efa74f325e2c0dc1 OP_EQUALVERIFY OP_CHECKSIG pubkeyhash

Outputs

1ChancecoinXXXXXXXXXXXXXXXXXZELUFD

OP_DUP OP_HASH160 805639c18149c375a977300cd0821bbb97315155 OP_EQUALVERIFY OP_CHECKSIG pubkeyhash

6a3cdb7ab30580ab79a4bdbe709a2c025d64cf8fd29b25493b80202367ddf8cbf1c1d2acab3a87003b4a513a148cad44446996a247e4a8ceea799dd62803

OP_RETURN db7ab30580ab79a4bdbe709a2c025d64cf8fd29b25493b80202367ddf8cbf1c1d2acab3a87003b4a513a148cad44446996a247e4a8ceea799dd62803 nulldata

1CPgKzaRsugHntf13kmKZibMFwfrMi9aDS

OP_DUP OP_HASH160 7cf35d1ae2e27aaac18fbf77efa74f325e2c0dc1 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": "772bf3438b80a1a75a69f51785cfe3e5191db7931e10239b88b0c2994cc218c9",
  "hash": "772bf3438b80a1a75a69f51785cfe3e5191db7931e10239b88b0c2994cc218c9",
  "version": 1,
  "size": 296,
  "vsize": 296,
  "weight": 1184,
  "locktime": 0,
  "vin": [
    {
      "txid": "27c3e14e3dc1522df0b2b14199501cf1cec8102bf59b28c3f8e0131ccf72ec81",
      "vout": 2,
      "scriptSig": {
        "asm": "304402201e6944d7c07e8890ad4d94d7cc093d5a530e524d0706ff7f0957a130f950e04102206d3faf3fa82a4f3272543662c5a75754ddd8fa2ac21e93641fd46e88002471bf[ALL] 0271fb05b56382f3bebb51cb2f2e4c2ae7568d4985a02acb25c59311a38860fe3b",
        "hex": "47304402201e6944d7c07e8890ad4d94d7cc093d5a530e524d0706ff7f0957a130f950e04102206d3faf3fa82a4f3272543662c5a75754ddd8fa2ac21e93641fd46e88002471bf01210271fb05b56382f3bebb51cb2f2e4c2ae7568d4985a02acb25c59311a38860fe3b"
      },
      "prevout": {
        "generated": false,
        "height": 400159,
        "value": "0.20048450",
        "scriptPubKey": {
          "asm": "OP_DUP OP_HASH160 7cf35d1ae2e27aaac18fbf77efa74f325e2c0dc1 OP_EQUALVERIFY OP_CHECKSIG",
          "desc": "addr(1CPgKzaRsugHntf13kmKZibMFwfrMi9aDS)#gapwaerq",
          "hex": "76a9147cf35d1ae2e27aaac18fbf77efa74f325e2c0dc188ac",
          "address": "1CPgKzaRsugHntf13kmKZibMFwfrMi9aDS",
          "type": "pubkeyhash"
        }
      },
      "sequence": 4294967295
    }
  ],
  "vout": [
    {
      "value": "0.00005430",
      "n": 0,
      "scriptPubKey": {
        "asm": "OP_DUP OP_HASH160 805639c18149c375a977300cd0821bbb97315155 OP_EQUALVERIFY OP_CHECKSIG",
        "desc": "addr(1ChancecoinXXXXXXXXXXXXXXXXXZELUFD)#zp2k5nlk",
        "hex": "76a914805639c18149c375a977300cd0821bbb9731515588ac",
        "address": "1ChancecoinXXXXXXXXXXXXXXXXXZELUFD",
        "type": "pubkeyhash"
      }
    },
    {
      "value": "0.00000000",
      "n": 1,
      "scriptPubKey": {
        "asm": "OP_RETURN db7ab30580ab79a4bdbe709a2c025d64cf8fd29b25493b80202367ddf8cbf1c1d2acab3a87003b4a513a148cad44446996a247e4a8ceea799dd62803",
        "desc": "raw(6a3cdb7ab30580ab79a4bdbe709a2c025d64cf8fd29b25493b80202367ddf8cbf1c1d2acab3a87003b4a513a148cad44446996a247e4a8ceea799dd62803)#4rmxducr",
        "hex": "6a3cdb7ab30580ab79a4bdbe709a2c025d64cf8fd29b25493b80202367ddf8cbf1c1d2acab3a87003b4a513a148cad44446996a247e4a8ceea799dd62803",
        "type": "nulldata"
      }
    },
    {
      "value": "0.20033020",
      "n": 2,
      "scriptPubKey": {
        "asm": "OP_DUP OP_HASH160 7cf35d1ae2e27aaac18fbf77efa74f325e2c0dc1 OP_EQUALVERIFY OP_CHECKSIG",
        "desc": "addr(1CPgKzaRsugHntf13kmKZibMFwfrMi9aDS)#gapwaerq",
        "hex": "76a9147cf35d1ae2e27aaac18fbf77efa74f325e2c0dc188ac",
        "address": "1CPgKzaRsugHntf13kmKZibMFwfrMi9aDS",
        "type": "pubkeyhash"
      }
    }
  ],
  "fee": "0.00010000",
  "hex": "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"
}