BEGIN:VCALENDAR
BEGIN:VEVENT
SUMMARY:Web3 Webinar: Making blockchains more secure and energy-efficient 
DTSTART:20200701T170000
DTEND:20200701T180000
DESCRIPTION:Dive deeply into the BABE and GRANDPA protocol\, learn how the
 y are used in Polkadot and see how together they provide an high-uptime\, 
 finalizable production of a canonical history.
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END:VCALENDAR