I'd say that's an excessively high ping time and would advise against it unless you're dead set on mining solo instead of on a regular shared pool.

If the wallet (like the puzzle 64) is empty you cannot sign new transactions. Zero bitcoin means zero transactions available.  
Here you can find an archive of private keys, all empty wallets : https://privatekeys.pw/keys/bitcoin/3
If you are lucky and you find a privkey with bitcoins inside you can use a wallet like Exodus (there are tutorials online how to importing a paper wallet).

I did the suggested test with another software: keyhunt (https://github.com/secp8x32/keyhunt/tree/master/x64/Release)
The suggested test keyrange is 68.987.912.192 keys (it is useless to test it with clbitcrack because with 260000+ keys it skips the key found)

Keyhunt fullfills the target in 3.30 hours on my old laptop with geforce 820M!!!

C:\Keyhunt>keyhunt -m address -f addresses.txt -r f7051f27a09112d4:f7051f37b09112d4 -l compress -c btc -t 96

• Version 0.2.211012 Chocolate ┬íBeta!, developed by AlbertoBSD(Win64 build by KV)
• Mode address
• Search compress only
• Setting search for BTC adddress.
• Threads : 96
• Opening file addresses.txt
• Allocating memory for 1 elements: 0.00 MB
• Bloom filter for 1 elements.
• Loading data to the bloomfilter total: 0.00 MB
• Bloomfilter completed
• Sorting data ... done! 1 values were loaded and sorted

Base key: f7051f36b08826c5     120 seconds: 374009 keys/s
HIT!! PrivKey: f7051f27b09112d4
pubkey: 03100611c54dfef604163b8358f7b7fac13ce478e02cb224ae16d45526b25d9d4d
address: 16jY7qLJnxb7CHZyqBP8qca9d51gAjyXQN
^Cse key: f7051f28c3cf56d3     580 seconds: 375917 keys/s
C:\Keyhunt>

The addresses.txt file contains only the address 16jY7qLJnxb7CHZyqBP8qca9d51gAjyXQN

I haven't enough experience to setup correctly the software, I don't know for example if and how i can allocate memory to reduce the processing time.
Keyhunt continues to elaborate the base key until the end of keyspace, i quitted it once i've seen that the key has been found.
Brainless you are right, it takes a lot of time to check 37.181.645.904.000 keys (116.160 times more than 268.436.000 keys with my old laptop if keyhunt cannot be set better)  
Clbitcrack is totally useless because it create the false illusion that the key can be found very quickly with any keyrange, but it's not true (it works with maximum 260000 keys only).
If you know how to setup better keyhunt, please let me know.
Did you tested keyhunt with better graphic cards like Gtx1080ti or Rtx3070? How many key/s do you reach?

You must change CCAP to match your GPU or otherwise will not working properly.
You can find CCAP value for your GPU in
here: https://github.com/oladas/ccminer/wiki/Compatibility
or here: https://arnon.dk/matching-sm-architectures-arch-and-gencode-for-various-nvidia-cards/

Did you change CCAP value to match your GPU CCAP?

I don't get it, Can you explain more?

It's enough to install only the latest version of Python for windows : https://www.python.org/downloads

After install run the Python IDLE program.

Copy the 32 code lines from here : https://github.com/secp8x32/KeyHunt-Cuda/blob/main/addresses_to_hash160.py

Paste the copied lines in the Python IDLE and Save as addresses_to_hash160.py in the keyhunt-cuda.exe folder.

Run the installed Python program (Pyton 3.10 64bit).

Run the windows terminal (where you run keyhunt-cuda.exe), and write:

C:\>pip install base58

You get this reply:

Collecting base58
  Downloading base58-2.1.1-py3-none-any.whl (5.6 kB)
Installing collected packages: base58
Successfully installed base58-2.1.1

Go in your keyhunt-cuda folder and write:

C:\Keyhunt>python addresses_to_hash160.py puzzle64.txt puzzle64.bin
processed : 1 addresses
skipped   : 0 addresses

Done!  

Which program you use?

You can set up a bitcoin node on your computer and use that wallet address for your mining rewards. Just update the address on a regular basis.

This will be a risky move taken for nothing, the exchange can just freeze your account and claim that you were doing money laundering shit, even if you were to prove that you got those 6.xx bitcoins sent to you from ckpool, they can still claim that you rented some hashrate using stolen money or anything like that, this is just 1 out of the so many excuses an exchange can come up with once you make a sudden deposit of about a quarter-million dollars.


Trust wallet is a million times better than an online exchange, although, IIRC, only the IOS version is open-source, so if that matters to you, make sure you read about it, if you want to be more careful about which wallet to use, check the wallet software section and pick one.

this has been discussed previously. rule of thumb is to err on the side of caution: don't use the exchange wallet.