Welcome to another action-packed week in the never-sleeping, never-slowing world of cryptocurrency. Unlike the legacy financial system, bitcoin doesn't clock off at 5pm or on weekends.

• Ether at a 14 month low; BTC dominance rising
• SEC taking action against two cryptocurrency firms
• The confusing sales tax for bitcoin in the U.S.
• The Blockchain Association is ready to play in D.C.
• The world's dirtiest currency: USD
• IMF is pushing on the Marshall Islands
• Thai government wants its own crypto wallet