Source: /cirosantilli/cool-data-embedded-in-the-bitcoin-blockchain/eternity-wall

= Eternity Wall
{c}
{title2=2015-}
{title2=eternitywall.it}

https://eternitywall.it

This website used to allow embedding text messages with <OP_RETURN>, here's an archive from 2015: https://web.archive.org/web/20150718052659/http://eternitywall.it/

As of January 2024, it seems to read-only mode, where it simply indexes matching transactions that were made via other means: https://web.archive.org/web/20230929075331/https://eternitywall.it/

A <Reddit> announcement from July 2015: https://www.reddit.com/r/Bitcoin/comments/3dxy9f/eternity_wall_messages_lasting_forever/

There were 3191 hits for the search term:
``
git grep '\bEW '
``
in our data starting with https://github.com/cirosantilli/bitcoin-inscription-indexer/blob/master/data/out/0362.txt\#L966[tx a3b3af21514bd79a4cbcac9916a8514636a72d813539192214542fd85247082e] (https://www.blockchain.com/explorer/transactions/btc/a3b3af21514bd79a4cbcac9916a8514636a72d813539192214542fd85247082e[2015-06-24]):
\Q[EW Eternity wall is live]
up to the last entry on https://github.com/cirosantilli/bitcoin-inscription-indexer/blob/master/data/out/0794.txt\#L4692[tx 28820bc14cf2cfda58ecbc9ac6df3f41a1cb90f4246543f01ba42a5e9dac3cf8] (https://www.blockchain.com/explorer/transactions/btc/28820bc14cf2cfda58ecbc9ac6df3f41a1cb90f4246543f01ba42a5e9dac3cf8[2023-06-15])
\Q[EW May our friendship endure, signed by hg, kty, wjj, and xyz.]
no doubt initials of 4 <Chinese>people. A <blood brother> oath comes to mind, akin to the <Oath of the Peach Garden>. Will these four be the ones to take down the evil dictator <Xi Jinping>?

The very first message gives away the name of what we assume is a web-based upload system, "EW" being its <advertisement> signature added to every message.

Running <bitcoin-cli>:
``
bitcoin-core.cli getrawtransaction a3b3af21514bd79a4cbcac9916a8514636a72d813539192214542fd85247082e true
``
shows that the messages are encoded with <OP_RETURN>:
``
  "vout": [
    {
      "value": 0.00000000,
      "n": 0,
      "scriptPubKey": {
        "asm": "OP_RETURN 455720457465726e6974792077616c6c206973206c697665
``