Personal Management App for iOS (Assignment deadline: Wednesday 03/02/2021, 11:59pm (Week 14) on vUWS. You must demonstrate your assignment at the usual tutorial in week 14) Assignment Details For this….
WhatsApp chat? Click Here
Need Help? Chat with us!
Explain the distinction between a public and a permissioned blockchain and when each would be more desirable.
A. Consider a hash function h(x) = x mod 2256, that is, the hash function returns
the last 256 bits of x. Does this function have
a. collision resistance
b. irreversibility
c. puzzle friendliness
Why or why not?
B. If you were designing a new public blockchain, why might you choose proofof- stake rather than proof-of-work?
C. If you were designing a new public blockchain, why might you choose proofof- work rather than proof-of-stake?
D. Explain the distinction between a public and a permissioned blockchain and when each would be more desirable.
