You can earn more than 1 btc if do you have a skill on trading or offer your a skill that pays in BTC you can make a lot more in a year
Trading we can make more than that, Faucets are enough to earn 1 BTC a year if you're going to invest time and effort but I don't think its worth it with signature campaigns and you can earn 1 BTC in less than a year depending on your rank, which is kind of worth your time.