Unless they're chasing a specific money flow, I don't expect government to dig this deep. Here, it's quite simpel: when you sell a substantial amount of Bitcoin for fiat on your bank account, they'll ask you where the money came from. It's up to you to explain the money is legit.
Banks have to report "unusual transactions", after which government doesn't really know what to do with them (link in Dutch).

I'm not trying to hide transactions from government, they want to know far too much from me already. But I'm still careful selecting which inputs to link together.

After reading it a few times, I think I'm starting to understand it. I would add another Con: something very simple suddenly becomes very complicated.

That may be a bit much for someone who comes here to ask which wallet to use. After trying several wallets, I came to the conclusion that manual channel opening is less convenient than "automatic" wallets. And that's coming from someone who prefers manual coin control for all on-chain transactions.
Note that this only applies to small amounts. I wouldn't risk anything substantial this way. The amounts are so small, I even use phone wallets without password for convenience.

This reminds me: a few years back, there were bounty spammers who used many established usernames for Google Docs  spam. That was before the "proof of authentication" BS, which meant they could just pretend to be (amongst others) me.

You can't prove you didn't do something. It's like trying to prove The Flying Spaghetti Monster doesn't exist. You can't! See Wiki on Falsifiability. Even on Bitcointalk, "innocent until proven guilty" should apply.
Before accusing someone, you should ask yourself if it could happen to you. Anyone can post my address and say they're me. As long as I don't confirm it, you shouldn't believe them.

If someone posts 1NXYoJ5xU91Jp83XfVMHwwTUyZFK64BoAD as their address, that doesn't make them theymos.

You can't. That's why it's useless evidence, don't worry about it. As long as you don't do bad things, there can't be evidence.

You have no idea

That's not my time zone (I wish!). They were in past 8 here, because schools are closed tomorrow.

Thanks again for your flawless timing! Kids are in bed, I'm out of excuses, so here I am, not even a second late (I hope)
I miss clicked

That's not necessary, the Eth/whatever address they post can easily be added to the user's profile, which you can scrape, so there's no need to post anything.
Or, let them fill out everything in a Google Form, and give them a confirmation code (say 9035998262876336, random for each user of course) to post in their profile to confirm they own the account.

I checked your topics, and it's mainly Newbies spamming the useless "authentication" posts. If you use an external spreadsheet, what does their Bitcointalk username even matter?

Make them self-moderated and delete the spam.

For what it's worth: I appreciate what you're trying to do.

Please remove the link to that scam site. It links several times to a .pro website, which will no doubt steal your money.

For the record: the real chipmixer websites can be found here:
Don't trust my quote on it, verify the source of the post. Download and install Tor browser, go to the .onion site (remember: chipmix or fly kuxu ..... id.onion), and bookmark it to prevent phising. Don't Google the website, it will give you phishing sites.

They're great for public usage, say a donation address or a payment address from an online service.

That works both ways: you can use a popular vanity address to make it look like it's owned by someone else.

I won't post them, but I found 55 addresses with "1DaveF". Some not even at the beginning (and this list isn't complete):

Try a hard refresh: CTRL-F5.

It works fine here.

But if you only manage to clean up 2% of the dust and leaves in a certain area, there's really no point in even trying. Just give up on the place, and keep the rest of your house decent. That's why I still report the bounty spammers when they shitpost on the tech boards.

It seems like fighting bots doing mindless tasks. I did a count in my posts archive. Facebook is mentioned 19.8 million times, Twitter 30.9 million times. This probably includes double counting the links, but even without that it's still staggering number considering the forum only has 60 million posts in total and I haven't included posts that were deleted in the first 10 years. And it's even allowed, so although useless, reporting is futile.
(counting the Facebook and Twitter posts took a lot longer than I expected, hence my late reply)

Thanks. I tried

That doesn't sound like me

Let's check the last 5 bounty topics on patrol:
Created by a Copper Newbie
Created by a Legendary with many earned Merits
Created by a Full Member
Created by a Jr. Member with negative feedback
Created by a Sr. Member who barely earned any Merit
4 out of 5 have (almost) nothing to lose.

Anyone with a real idea pays pays for advertising in Bitcoin, not in made-up tokens. If they spend real money, they care for the quality they get.

It always feels like a loophole on the low-quality posts, to spam the same "proof of authentication" posts in many different topics. Or the competely useless Facebook, Twitter and Telegram posts. Years ago, on-forum altcoin giveaways were banned for the exact same reason, and that's why they now use this even more useless system of linking to social media posts. I'm not buying the explanation that spamming Twitter is not a low-effort task.

That would largely reduce the spam, but indeed, I don't think this will be implemented.

I disagree. To me, 10 people spamming with 1 account each gives the same result as 1 person spamming with 10 accounts. But the future of most bounty projects is scamming gullible "investors". I'd say it's our business if Bitcointalk is being used to promote scams. They've earned billions from ICO-scams already and are no doubt still earning a lot of money. Meanwhile, we tag people for scams that are a million times smaller.

Eddie13 made some very good points:

The ones that pay in Bitcoin (or anything else with real value) are usually a bit better, but as long as they work with "stakes" instead of a fixed payment per bounty hunter, they still don't benefit from rejecting spammers. The more people join, the more advertising they get for the same money.

I've fallen for it a few times too. Sometimes it's not instantly clear it's a troll or shitposter, and sometimes I just can't help being sarcastic.

So you think the bounty spammers who can't be linked as alts are really different people? That's cute
I think most of them are good at hiding their alts, and only a few get busted.

Theymos posted about this 4 years ago (click for full context):

It's whitelisted now.

If you post the username, I'll whitelist it.

LN Lovers LBump

I've only used mobile wallets, my current favourites are BlueWallet (custodial) and Phoenix Wallet (non-custodial, except for channel opening). Lightning Network Stores has many more options.

There are no "addresses", only invoices.

Funding the wallet varies per wallet. You'll see what you need after you install one. Some exchanges nowadays offer LN withdrawals too.

They'll need to specifically accept LN.

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My advice: install BlueWallet on your phone, go to the above website, and click Faucet. That should give you enough sats to test.

That doesn't matter since you can't know the exact past events.
Off the top of my head I'm thinking of: