It should be the old file, yes, but seems corrupt, integrated tool starts automatically so tried that, failes saying "Walled.dat corrupt, salvage failed"

command line -salvagewallet doesn't even give a message but it doesn't work

I undeleted all I could think of, including backup files, but none of them contains my 7 addresses. Seems like they are all new.

The Cosanta software was running when I deleted the folder by mistake, so probably a new wallet.dat file was generated.

I am really stuck so any help would be appreciated

Can you take a look at the file if I send you the recovered wallet.dat file? Thanks

Need urgent help please, I deleted the whole folder including wallet.dat

Although I immediately ran undelete software, Cosanta reports the recovered wallet.dat file is corrupted.

Any solution to recover the coins that I mined for so long and so hard?

My cosanta.net address is CVvbCDPzGUXAZKxDJSWgsHHw5zWaDWJzTz

If more information is needed from me, let me know please. Didn't have a lot of money there, just a few hundreds dollars, but I mined those for months and months so very frustrated..

Thanks

Is T-rex capable of sending a notification when hashing rate drops below a certain value?

Sometimes my miners stay down for hours and I do not know about it...

Hey guys,

Strange error on Nvidia 1060 6GB

 TREX: Can't find nonce with device [ID=0, GPU #0], GPU #0: not enough free memory to mine ethash at epoch 445

6 GB should be enough though. Also changing to lolminer or any other miner, or SimpleMining and so on, the card works fine.

Any ideas as to why Trex is the only one not working?

Can I use a Zil address from my Binance wallets?

Years later, this topic helped me! Thanks!
SSH and vi needed to be able to update L3+ to nicehash firmware

They are not all from the same release dates, there are some OpenWRT images that do not have a correspondent in the MM directory

Also, there is a folder called Nicehash in OpenWRT but no MM nicehash folder: https://download.canaan-creative.com/avalon841/openwrt/

So just copy the .img file to the original microsd disk?

I am new to ASIC mining, so any help would be appreciated.
What pool would you recomend?
viaBTC takes a very large commission on withdrawals

Minerstats says Nicehash is one of the most profitable (sometimes the most profitable of all!)
https://minerstat.com/hardware/aisen-a1-24t

Yes, Nicehash's AB pool, when changing pool to stratum+tcp://sha256asicboost.eu.nicehash.com:3368, the miners just stop.

Strangely, I tried to mine on Nicehash pool using an Asien A1 miner, well, this one refused to start on Nicehash normal pool, but works just fine on Nicehash AsicBoost pool!

Thanks a lot for the detailes answer.

How to switch them to Performance mode? They are now doing 13,5Gh on the original firmware

[Firmware version] => Avalon Firmware - 20180305

I was hoping that someone who already updated to Nicehas firmware would share the results.

I guess I will try for myself, and report back

I realize there might not be a lot of interest in this model anymore, but hey, it might help someone

Right now, on the original firmware, when using an AsicBoost pool, the miners behave very strange, and basically do not work. They keep on turning the fans down for a second and restarting (sorry, not sure if they are actually rebooting)

Is there a reason why? I am trying to understand how to update my 841

I see here https://download.canaan-creative.com/ there are 3 different types of firmware

- MM - how to update this?
- OpenWRT - this is just a matter of writing a new microSD card, right?
- PMU - what is this one? it is from 2020 so fairly recent

Hey Phil,

Do you still have the 841?

I bought 4 of them and trying to understand how to update.

This link has at least 3 different types of files:

- MM: I take it tis is the software inside the miner box itself? But how to update it?

- OpenWRT: I take it this is the microSD card inside the Pi? that is I guess easy to update, found some instructions here: https://www.cryptouniverse.at/avalonminer-821-841-861-setup-tutorial-troubleshooting-guide/

- PMU: no idea what this one is!

Thanks

thanks, removing "i -auto" and using cuda10 solved the issues.

I have 1080ti and 1060 cards (mixed rig) on SimpleMining

I am getting this error:

Running miner t-rex-v0.19.5-cuda11.1
Options: -a ethash -o stratum+tcp://eth-eu1.nanopool.org:9999 -u wallet.name -p c=XVG -i 20
20201227 14:47:01 ERROR: Can't start miner, video driver is too old. Please update the video driver or use T-Rex compiled with CUDA v10.10 or older

How to update driver in SimpleMining? Thanks

I can't get this to work with SMOS mining ZEN, I tried multiple versions, settings etc

I am using nVidia cards

The string I am using is

miner.exe --algo 144_5 --pers auto --server zen.suprnova.cc --user user.workername --pass x --port 3618

However, I only get rejected shares, no matter what I try.

Anyone managed to get this working?
There is an outdated SMOS topic here: https://bitcointalk.org/index.php?topic=2505528.msg48019368#msg48019368

This is not working anymore.

I think now --algo and --pers are required: https://bitcointalk.org/index.php?topic=4466962.0

Can you please update the tutorial?

thanks, didn't know about this.
Could this be used with Jaxx and the like?
Didn't have time to look at the link yet.

Thanks. Consider my specific case, though, the very reason of the transaction was to show/prove our balances

You think this would not work? Is there a better way to show to someone you really have the amount ot BTC you say you do in your wallet?

Thanks, I think I had a blackout moment, you are right, blockchain.com (not .info anymore) shows the address on the left

Someone sends you some BTC.

Can you find out the sender's address and the BTC balance?

I looked at the transaction ID and details but I cannot find the sender's address.

Is it possible to find this information? I know it is easy to see the balance of a certain BTC address but how to find that address?

I should probably mention that we actually did this transaction for this specific reason, to show each other our balance, but we do not know how to see the sender's address. Of course the person could just tell me the wallet address he sent it from but how to verify it is really that address?

Thanks