I have a hard time believing that only a few pairs of keys from Blockchain.info were accessed by hackers, what makes more sense is a that a few customers machines are compromised with key-loggers.

If it was that easy too access the private keys on Blockchain.info, don't you think more people would be having issues storing coins their? It sure seems like alot of people are happy with their service. If this seemed like a widespread problem, I would agree with you but honestly this seems like a failure on the customers behalf. Probably was using Windows and downloading altcoin wallets, miner executables, and visiting links on this board etc.

Does your email provider have 2 Factor Authentication enabled? Not just the 2 Factor on the Blockchain.info website, you need it on both your email and Blockchain.info to be safe from logging. If you only had it just on the Blockchain.info website, I can imagine a keylogger in this scenario would allow someone to take your coins. Ex. Log email info and blockchain.info info, they went too blockchain while your sleeping and disabled the 2 factor, went into your email  to confirm emails then deleted them.

Otherwise someone close to you took your phone, logged in and took your coins.

People are probably not going to take wheel barrows of Cash, and Coins to Mars when its colonized. I don't see why it can't be possible, with enough satellites or improved technology one day it might be cheap to have lowish latency interplanetary communication.

Do not store your coins in an online wallet, if you decide too remember its now possible for someone to take your coins in this scenario. Do not generate Private Keys on a machine that is connected to the the internet, its possible someone has a copy of your private key. If you generate a Private key offline, format the machine after offline and or remove this HD and lock it up/destroy it.

I would keep ~50 on a machine with an offline Armory wallet, the other 50+ would use an address that is generated on a machine that had its hard drives disassembled and destroyed. Take these Private keys generated on the machine sans HD, then hammer the private keys into a piece of Copper and Brass, write it down on a piece of paper, save it encrypted with PGP on a bunch of different USB Drives, 3 backups per type of usb drive. Put all of them in sandwhich bag and put it into a fire/waterproof safe.

None of your keys should be able to be compromised at this point except if they physically attack you, also if your storing 50+ coins offline make sure you use an address that has not spent any coins before.

As a rule of thumb if I am storing a new block of coins, I tend to buy a new drive or a brand new small/cheap netbook or similar type of device for the generation of the address and for the storage of the  key. Disabling network devices etc before hand...

Why not? It seems like a cool idea, its been discussed a few times here in the past. Some members have even theorized this type of exchange, it would be nice to see something like this.

I always think back to when my Grandfather told me about having the opportunity to buy shares in General Electric from a door-door salesman many many years ago, he told me he just sent the salesman on his merry way.

I agree with this, only issue I see is who is going too make the call on what is considered just an Altcoin and what is Bitcoin 2.0 technology. If this were too happen, I could see us needing specific boards for the most popular blockchains, under the Altcoin Section or some other new section. For most of us it is pretty easy to distinguish a technology like Ether compared to a coin like DOGE.

This type of expansion reminds me of what happened to: http://forums.d2jsp.org/ - this just started out for Diablo 2 trading, but now has evolved into a trading forum for many popular games.

I remember reading two articles on Ken Shirriff's blog that is a step in that direction - http://www.righto.com/2014/02/bitcoins-hard-way-using-raw-bitcoin.html and one about Mining Bitcoins.

This goes through generating an address, and broadcasting a transaction, he does it all in Python IIRC. You should avoid pythons random generator, it is not cryptographically strong according to Ken's article. This is lacking alot of the code you mention for the Blockchain, etc.

I agree, always opt in for 2 factor authentication on any site, and even setup 2 factor authentication for your email addresses, Dropbox has 2 Factor if you store anything on their. Enabling 2 Factor where possible is one of the first steps I have people do when I teach them how too secure their Bitcoin. Having 2-Factor should at-least eliminate most losses due to keyloggers.

I only intend to use BTC for purchasing goods and services and not bring them to exchanges. Already we can fly around, buy Hotels, and a number of other goods we want or need.

Instead of dumping your BTC at a certain price, why not at a certain price snap book 2 vacations and buy some new computers and monitors from Dell or Overstock, tigerdirect, newegg etc. You still get what you want largely, unless you need something you cant specifically buy with Bitcoin. This way possibly the value of the coin does not go down as quickly causing more speculation.

Granted I know you can get more coins if you buy in and get out at the right price points. Rinse repeat, but for those who just want to hodl and not worry about hitting the highs and lows.

That is what the 24 seed word he wrote down was for, you could generate a 12, 18 or 24 seed word combination, this unique combination of words is used too restore the wallet balance in the future should the device be broken/lost.

I was pretty impressed with the features that the wallet already has, keep us posted with your experience. Video looked great! I want one now 

I would probably post this to the Legal forum, their are some people in their who might be able to give some advice. I will try to get this thread moved to that board, more people should be able to help you their.

Edit: Just realized this is probably not you asking for advice, but cross posting something seen on reddit.

I just got the app, I am currently in America. It was posted by: Qkos Services named "Blockchain - Bitcoin Wallet"

https://itunes.apple.com/us/app/blockchain-bitcoin-wallet/id493253309?mt=8

https://www.youtube.com/watch?v=XEpg-B6anWU#t=770

Nah

I bet that no one loses a Satoshi for them sitting for 5 years.

haha this song put a smile on my face 

Never actually used Blockchain.info for storage myself so I can't say.

I would advise the exact opposite and not use Dropbox with your wallets ever, your private keys should never live on a computer that uses the internet unless its encrypted. If you are going to use Dropbox at-least enable 2 factor authentication that helps against key-logging, but even then it someone gets onto your machine they can just grab the wallet. The wallet even though its on Dropbox, is also available on any device when its synced, try unplugging the internet and opening some of your synced files they work just fine. Anyone who gets onto your machine can take your wallet if its on Dropbox, not so secure, but free and easy to use.

Damn cops giving people tickets, causing people to convert their BTC to fiat.  

Not yet, who knows maybe Italy will be interested in the future! Lets be honest if Sicily decided to sell Pizza for Bitcoin two years ago, they just might be the largest BTC holder now.  lol

As long as you setup the offline Armory wallet you should be very secure. Only ever allow a watching only copy of your offline Bitcoin Armory wallet, go online.

Also their is an entire board dedicated to Armory Wallet, where this might already be answered, I even think the dev frequents the board also: https://bitcointalk.org/index.php?board=97.0

The book looks pretty good, however I will have too pass on reading it as my french is quite poor. The KeyVault you have been creating, I have been following since your previous thread. Nice work so far! Can't wait to see how the final product turns out.