Blockchains are decentralized ledgers which, by definition, are not controlled by a central authority. Due to the value stored in these ledgers, bad actors have huge economic incentives to try and cause faults.What algo was the original solution to the potential problem as specified by Satoshi?
Answer(s): D
The big breakthrough when Bitcoin was invented, was the use of Proof-of-Work as a probabilistic solution to the Byzantine Generals Problem as described in depth by Satoshi Nakamoto.
https://medium.com/loom-network/understanding-blockchain-fundamentals-part-1-byzantine-fault- tolerance-245f46fe8419
What are some likely repercussions that could occur as a result of a 51% attack to the Bitcoin network? (Select three.)
Answer(s): A,B,C
The 4 main attacks that can happen directly as a result of the 51% attack are: Selfish mining. Cancelling transactions. Double Spending. Random forks.
https://blockgeeks.com/guides/hypothetical-attacks-on-cryptocurrencies/
____________is a real-time gross settlement system (RTGS), currency exchange and remittance network by __________
Answer(s): A
Ripple is a real-time gross settlement system (RTGS), currency exchange and remittance network by Ripple.
https://ripple.com/
A centralized system is one that that is governed by a hierarchical authority. Which of the following Blockchains would be correctly stated as centralized?
https://medium.com/@dustindreifuerst/permissioned-vs-permissionless-blockchains-acb8661ee095
Message Calls in the Ethereum EVM is limited to a depth of ____________?
Answer(s): C
Calls are limited to a depth of 1024, which means that for more complex operations, loops should be preferred over recursive calls.
https://solidity.readthedocs.io/en/latest/introduction-to-smart-contracts.html#the-ethereum-virtual-machine
Share your comments for Blockchain CBSA exam with other users:
is this dump still valid? today is 9-july-2023
i need this exam.. please upload these are really helpful
please upload the oracle 1z0-1059-22 dumps
very good questions
nice, first step to exams
is this valid for chfiv9 as well... as i am reker 3rd time...
great exam for people taking 220-1101
this is very helpfull for me
just started preparing for the exam
these are the type of questions i need.
does this actually work? are they the exam questions and answers word for word?
thanks for providing these questions
interesting
these dumps are pretty good.
good questions
dbua is used for upgrading oracle database
i am thrilled to say that i passed my amazon web services mls-c01 exam, thanks to study materials. they were comprehensive and well-structured, making my preparation efficient.
please upload latest ibm ace c1000-056 dumps
if only explanations were provided...
yes .. i need the dump if you can help me
good morning, could you please upload this exam again?
hi please upload sre foundation and practitioner exam questions
the exam is listed as 80 questions with a pass mark of 70%, how is your 50 questions related?
all questions are so important and covers all ccna modules
q 44. ans:- b (goto setup > order settings > select enable optional price books for orders) reference link --> https://resources.docs.salesforce.com/latest/latest/en-us/sfdc/pdf/sfom_impl_b2b_b2b2c.pdf(decide whether you want to enable the optional price books feature. if so, select enable optional price books for orders. you can use orders in salesforce while managing price books in an external platform. if you’re using d2c commerce, you must select enable optional price books for orders.)
"cost of replacing data if it were lost" is also correct.
pls upload the questions
question 182 - correct answer is d. ethernet frame length is 64 - 1518b. length of user data containing is that frame: 46 - 1500b.
i need this exam pls
its required for me, please make it enable to access. thanks
seems good..
took the test last week, i did have about 15 - 20 word for word from this site on the test. (only was able to cram 600 of the questions from this site so maybe more were there i didnt review) had 4 labs, bgp, lacp, vrf with tunnels and actually had to skip a lab due to time. lots of automation syntax questions.
no comments
Keeping this site free takes real effort. We constantly battle automated scraping and unauthorized content copying. A quick account helps us protect the community and keep the site free.
To continue studying for your CBSA, please sign in or create a free account.