The passhrase below was used as a Brainwallet to generate the given address.
Private key used is an actual block hash Used block hash: 5HpHagT65TaCoQFk4zaXEx4mgLwj1TvME3cYWbdZm693AWAMEb1.
You can check the private key is indeed known by verifying the following signed message when running your own node:
Alternatively you can use this link to verify the message online. Values needed:
By using a weak brainwallet the private key for address 1LddbPU8TuMepABqL4enkvTUnHfp43xZmk has been compromised.