Design
MAS.S62
2/19/2018 Lecture 4
Neha Narula
1
, Recap
• Signatures
• Merkle trees
• RSA, ECDSA
2
, Blockchain
hash: hash: hash:
00db 0092 002b
prev: 00ce prev: 00db prev: 0092
msg: hmmm msg: hi msg: hola
nonce: 5ffc nonce: 582c nonce: d62c
3
, Blockchain
hash: hash: hash:
00db 0092 002b
prev: 00ce prev: 00db prev: 0092
msg: hmmm msg: bye msg: hola
nonce: 5ffc nonce: 582c nonce: d62c
4