Interesting Bitcoin Issues I have come across
What is the difference between Public Key and Public (Bitcoin) Address?
How to consolidate a wallet with many addresses containing only small amounts (dust)?
Strange case of a compromised Private Key used by a hacker
Lost 2-step authentication on Electrum; Restoring the wallet using the seed
Recovering Bitcoin private keys using weak signatures from the blockchain
Bitcoin Public Forums and Discussion Groups
Bitcointalk.org - the largest public forum on Bitcoin and cryptocurrencies, founded by Bitcoin creator Satoshi Nakamoto
Bitcoins on Reddit - a discussion website
Bitcoin Stack Exchange - a question and answer site for Bitcoin crypto-currency enthusiasts