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If you feel it's important to sign the key of someone you've just
met, also ask them to show you their government identification, and make
sure the name on the ID matches the name on the public key. Advanced Master the Web of Trust Unfortunately, trust does not spread between users the way many people
think . One of the best ways to strengthen the GnuPG community is to deeply understand the Web of
Trust and to carefully sign as many people's keys as circumstances permit....