How do multi signature wallets work?

Related questions

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6. How do I unlock my Blockchain wallet?
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Tags

1. #require
2. #agreed
3. #chain
4. #august
5. #signatures
6. #multisignature
7. #block
8. #first
9. #launched
10. #transaction
11. #users
12. #agree
13. #addresses
14. #broadcast
15. #people
16. #required
17. #number
18. #bitgo
19. #wallet
20. #cryptocurrency
21. #start
22. #another
23. #address
24. #before
25. #create