My [banned mixer] Review
I spent last few days checking out Tumbler website and testing how mixing is actually working.
Tumbler website is opening fast both on clearnet and on Tor using onion addresses, I didn't have any issues with slow speed when opening pages.
Website design is ok, it's clean, and I didn't notice any big spelling mistakes, but first thing that caught my eye was
Absolutely Reliable claim on main page.
Either Tumbler has hired gipsy fortune teller or they have top secret time traveling machine when they are already claiming to have many
positive customer reviews on forums, and they just recently started this service.
Note that after finishing my mixing I was presented with a button to write a review, and it was redirecting only to their bitcointalk forum topic.
?!
Domain Name: [banned mixer]
Registry Domain ID: a125c22891314450a0ca936b538ab16f-DONUTS
Registrar WHOIS Server: whois.gandi.net
Registrar URL:
https://www.gandi.netUpdated Date: 2023-09-04T05:47:04Z
[banned mixer]
Fees page is saying that fees are smaller when larger amount of Bitcoin is sent for mixing, and they still boldly claim that for 100 or more BTC there is 50% discount and 0.20% service fee.
I will have to say that I really suspect they have 100 or more Bitcoin, unless they are using other centralized services, but I will talk more about that later.
When they first appeared in bitcointalk I asked them this question and I think they rchanged 100 btc claim to 10 btc in FAQ page, but it's still there in Fees page.
After I finished reading FAQ and Fee page (everyone should do this) I continued to mixing page.
This page opens sometimes with simple Captcha security and sometimes without it, but it's easy to understand everything.
There are three types of Service fee, and first I used BASIC level with my Tor browser, with delay that showed Good Anonymizing meter at the page bottom.
I can confirm that up to 10 addresses can be used for receiving coins from Tumbler after mixing, but I didn't use all of them, it's waste of fees for smaller amounts.
This is where I received my first error or bug while I was testing Tumbler, and I was asked to refresh browser and continue.
I talked with Tumbler Support team and they responded within 20 to 30 minutes, but I was not given any explanation why this happened.
My theory is because I had multiple tabs from Tumbler website, don't I can't be sure of that.
Here are few screenshots with error and my conversation with support:
After refreshing the page I needed to start all over again, I sent my coins and I downloaded Letter of Guarantee.
After waiting period was finished I received coins on my address, minus service fees, and I didn't find any connection with my previous coins.
However, I did found connection with something that looks like big centralized exchange, so it's possible that Tumbler is just using their exchange account for ''mixing'' coins.
I can't prove my claims and I didn't have time for deeper blockchain address analytics, but I would liker to hear how Tumbler can explain this.
Centralized exchange have nothing to do with Coinjon that is mentioned on Tumbler website.
Anyway this ends my first testing with Tor browsers and basic security level.
For second browser I used Brave browser and I switched to dark theme on Tumbler website that looks nice for a change.
This time I used higher fees and Basic Security Level, but I didn't see any significant change in blockchain explorer after mixing was finished, except that I was charged more.
There was no connection with my previous coins and I used code from previous mixing, but I didn't notice any coinjoins in transaction history.
Tumbler worked almost the same with both browsers, Tor and Brave browser, but I received one error only with Tor browser.
After mixing was finished there was clock countdown until order information will be released, but I think it would be better to add option manual deletion by user.
I can't verify if this will really be deleted properly or not, but I will check and confirm here what is going to happened after times expires.
I also want to use manual delete option for Support chat.
I talked with support once but this link will be available for 48 hours, but manual delete option should be added from user side.
Conclusion:Overall I am really suspicious towards all new mixer after few recent incidents that happened, and Tumbler really needs to explain several things regarding their mixing process.
If they are using third parties and centralized exchanges than I would not recommend anyone using this website for mixing any larger amount of coins.
There is a a chance coins could be rejected or confiscated for whatever reason, and I didn't see any proof that Tumbler owns 100 or even 10 BTC.
Lot of improvement is needed and only way forward is to be honest and transparent as much as possible, I know this is paradox for mixing service, but it must be like that.
Until I see more clarification from Tumbler I won't use or recommend their service.
PS
There is a chance I could change/update my review in next 48 hours.
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