A long-dormant holder controlling at least 80,009 BTC ($8.7 bn) woke up after 14 years and sent 40,000 BTC ($4.35 bn) out of four legacy wallets. -Two wallets first received 20,000 BTC on 2 Apr 2011, when BTC traded at $0.78. -Six others received 60,009 BTC on 4 May 2011 at $3.37. -Four wallets remain untouched with another 40,009 BTC still idle.