Almost got you where you post something without a derogatory comment, the Alice in Wonderland reference is borderline.

Freaking 14 degrees in Texas for New Years...
Rabbit hole is borderline?

Do you have a style guide for DaZuru-approved forum posting? So that I could post derogatory things about it.
Ion Jan 1 trading at $3.25 / .00024650btc pretty good when you consider ion is nowhere near it's value potential and Jan 1 last year it was trading at $.09 or .00010011btc
At some point this year like almost all the trolls that were hanging around here 22 months ago you will just disappear.... feel free to make a note of this post and prove me wrong.
About your photoshop snipe at me
https://bitcointalk.org/index.php?topic=1443633.6143 I hope your attempts in 2018 at subterfuge stay at the same level

You should not use words you don't understand. Makes you look even more of an idiot than your Photoshop or Canadian dollar bullshit. Still waiting for you to post the Australian dollar sign, how is that coming?
Was gonna add that dumb shills like you reflect badly on ION but the fact is - no one outside of the hardcore group of bagholders really cares about it, so it's probably ok. Flaunt the true colors of ionomy with pride. Can't wait to see the new conspiracies you're gonna accuse me of.
Started thinking about this question, one I think the IRS is pondering as well.

Trades between coins are to be considered taxable, no more pushing the tax burden down the road with trades until you cash out. Not sure of the best way to record these. Online software I have seen is expensive. CoinTracking.info and CryptoCompare.com seem to be highly rated. If you only make a few trades a spreadsheet. Using a trading bot and hundreds of trades, painful.
Sorry drifted away there. Back to your question, not sure how you would want someone to share their cost basis? I wouldn't want to on an open forum, plus who is to say if it is all made up? Would almost need a bonded third party to verify account ownership and cost information. Not really worth it for a message board discussion. Maybe an idea for a blockchain solution? I mean if it can work for Kitties....

Shark always brags about ION gains as if he got it at the ICO price or some other arbitrarily low cost. Therefore the question - what's the real cost basis? I'm not asking how much he owns. E.g I mentioned DCR - if I tell you my average cost basis is $0.374, that doesn't tell you how rich I am or any other personally-sensitive info. And yes, anybody can lie... so the question is mostly rhetorical anyway. He didn't get it at the ICO price, that's the point.