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SUMMARY:Web3 Webinar: Making blockchains more secure and energy-efficient 
DTSTART:20200701T170000
DTEND:20200701T180000
DESCRIPTION:[Der Vortrag wird auf Englisch gehalten]\nDive deeply into the
  BABE and GRANDPA protocol\, learn how they are used in Polkadot and see h
 ow together they provide an high-uptime\, finalizable production of a cano
 nical history.
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