What are the biggest mistakes you've done with Bitcoin?

[sedeki]

As the topic says, What are the biggest mistakes you've done with Bitcoin?

I'm trying to gather just a list on things that have gone wrong. This can be terrible backup stories, client hacks, reversing at MtGox and such.
I don't want to gather a list of hacks of commercial sites in particular because there are plenty of information on that already.

I will post everything I find on this very simple website:
http://sites.google.com/site/whoissatoshi/bitcoin-mistakes


Don't be shy!


EDIT: Please add some context, interesting details etc to make it a nice story.

[dancingnancy]

Gamble about 150 BTC away around 5-10 dollar range.

Next biggest was to sell most of my coins on the way back up @ $26.

[Piper67]

Lost 25 BTC by sending to what I thought was my instawallet... But it wasn't. Instawallet is just a bit richer because of my stupidity.

[Beta-coiner1]

Day trading Alt-currencies in the past like Solidcoin,Iocoin and Ixcoin.Lost at least 100 btc doing that.

[nameface]

Lost password to my first encrypted wallet. I have 0.4 BTC in there and no way to get it out. I know one day that'll be worth like $150,000 hahaha...   argh

I'm also invested in the BAKEWELL mining asset on Bitfunder, which appears to have been some sort of scam.

[nameface]

Next biggest was to sell most of my coins on the way back up @ $26.

Yeah I really hate the fact that I needed money back at the $20 level and sold most of my coins

[Winnopeg]

My final BTC trade was at 2.94 BTC/CAD, pretty much the bottom of the first decline. Haven't touched bitcoin since, started reading up on it with the recent price spike. So many regrets right now.

[malevolent]

Selling and buying Bitcoins too often at the wrong price.

Buying a 6 month mining contract from a guy who ran away with the money (didn't recover everything).

Trusting Mt.Gox is a reliable company.

[giantdragon]

Sold 25 coins at price $45/BTC.

[dancingnancy]

Trusting Mt.Gox is a reliable company.

Hit the nail on the head there.  They have been holding our bitcoinica funds for around a year now.

[Lethos]

Since getting involved in bitcoin I made 2 pretty big mistakes;

Selling a large portion of my bitcoin stash, when it was worth £9.
It's true I needed the money, unforeseeable situation meant the bitcoins I held, was a big life line to me.
Then to watch it jump upto £75+ over the next few months.
It just hurts to realise if I could of held out, I'd be have 8x that figure, which I admit I might of been able to do.

My other big mistake was "gambling/investing" with my bitcoins via assets on GLBSE.
The only upside is ASICMiner (investment) turned out so profitable it made up all my loses in all the assets which didn't.
I learnt a valuable lesson, it's rare that any investment can beat price fluctuation of Btc itself, the few that do, you lucky if you ever notice it.

[gollum]

As the topic says, What are the biggest mistakes you've done with Bitcoin?

I'm trying to gather just a list on things that have gone wrong. This can be terrible backup stories, client hacks, reversing at MtGox and such.
I don't want to gather a list of hacks of commercial sites in particular because there are plenty of information on that already.

I will post everything I find on this very simple website:
http://sites.google.com/site/whoissatoshi/bitcoin-mistakes


Don't be shy!

My greatest mistakes:

1) Did not buy any when it still was cheap arount 5$

2) Did not buy any when it was rallying over 10$

3) Did not buy any when it was rallying over old ATH 32$

and so on...

So I will prepare for the next dip - I will fund my Mt Gox account and buy lots of coins if and when we get 20-30$

[nameface]

I learnt a valuable lesson, it's rare that any investment can beat price fluctuation of Btc itself, the few that do, you lucky if you ever notice it.

Amen brother

[PinkBatman]

Lost about 200BTC on GLBSE  

[lophie]

Formatted a hard drive with unbacked-up 10BTC wallet........ confident that I would find a backup of it someday....... someday.....

[hazek]

Nothing.

I regret no decision although if I had the chance to go back knowing what I know now about the future I would have done a few things differently obviously, but given the information I had at the time I think I made good choices all around, choices that were based on empirical evidence and sound conservative reasoning.

[doobadoo]

Paid a hooker from addresses that had lots of Satoshi Dice Dust in it without a fee.  Took so long to confirm i fell asleep.  Hooker stole my car!  Woke up with blue balls.

[malevolent]

Paid a hooker from addresses that had lots of Satoshi Dice Dust in it without a fee.  Took so long to confirm i fell asleep.  Hooker stole my car!  Woke up with blue balls.

[Dr.Steve]

got ripped off for a product that never arrived.

[mjsbuddha]

used 120 btc to pay my phone bill back when they were 75 cents.