(Bloomberg) -- Bitcoin is on track for a seventh consecutive weekly gain, as growing optimism for a crypto-friendly Trump administration fuels what what would be the longest winning streak in over three years.Most Read from BloombergHong Kong's Expat Party Hub Reshaped by Chinese InfluxBrace for a Nationwide Shuffle of Corporate HeadquartersHow California Sees the World, and ItselfCity Hall Is HiringAmerican Institute of Architects CEO ResignsThe last time Bitcoin had a weekly streak this long w