1. Category

Bitcoin Links

BTC China

BTCChina is the first Bitcoin and Chinese Yuan Trading Platform. You can buy Bitcoins here with CNY, or get CNY by selling Bitcoins.
https://vip.btcchina.com/

Counterparty

A distributed financial system built on top of the Bitcoin blockchain. Counterparty provides free, open & secure financial markets on Bitcoin.
http://counterparty.io/

CoinTelegraph España

Spanish branch of the CoinTelegraph media outlets. CoinTelegraph Spain focuses on providing the latest news and analysis in the technology and finance sectors as they related to cryptocurrency scene.
https://cointelegraph.es/

Bitcoin - Quora

Bitcoin is a peer-to-peer network based anonymous digital currency.
https://www.quora.com/Bitcoin

Rhymes With Fiat

Rhymes With Fiat is an ongoing crypto-focused webcomic with a soft educational slant.
https://www.rhymeswithfiat.com

Fairlay

Fairlay is a prediction market using Bitcoin. You can predict on the news and Bitcoin events or suggest your own events and earn money.
https://www.fairlay.com/

Bitcoin Tutorial on Udemy

The definitive guide to understand what the bitcoin is and why we should care about them. - Free Course
https://www.udemy.com/bitcoin-or-how-i-learned-to-stop-worrying-and-love-crypto/

Trezor

Trezor is an isolated environment for offline transaction signing.
http://www.bitcointrezor.com/

BitFury

BitFury Ltd facilitates the fundamentals of Bitcoin itself, producing products/services that affect the Bitcoin network and infrastructure.
http://www.bitfury.org/

BitTrust

BitTrust provides ratings for Bitcoin merchants and services to let people know which websites they can trust with their money.
http://bittrust.org/