To modify a past block, an attacker (rogue miner) would have to redo the previous proof-of-work of that block as well as all the blocks after it and then surpass the work of the honest nodes (this is called a 51% attack or 51% 3 problem).19 Each 10 minutes (on average) these ...
Furthermore, similar to agricultural monocultures, the presence of a single plant species increases the risk of parasitic attack. Abscission of leaves in response to drought, typical of many native Mediterranean species, can improve the response to water stress [44]; however, from an aesthetic ...