Tokyo Tech (42) 1996 Java MOBA 2001 1998 2006 ( ) 2008/12 2009/ 5 PM Java Just‐in‐Time shuJIT 17,000 , P2P Overlay Weaver 26,000 , 15 41 673 ( ) P2P UG Live 2 , , 1 Binary Hacks 5 , 1 P2P , 2009 / DHT , 2009 , Causal consistency, NVRAM / SCM , 2011 1 / 10 , 20 , Apache Spark 1/12 • Fintech (DBMS) • – – •Abraham Harold Maslow (1908‐1970) Me, too. 2/12 • – Bitcoin = – – NEM 1,000 • – 10 1 (← Bitcoin