What is proof-of-stake? Multiple Choice A requirement to define an expensive computer calculation, also called mining, that needs to be performed in order to create a new group of trustless transactions (blocks) on the distributed ledger or blockchain. A way to validate transactions and achieve a distributed consensus. A type of digital currency in which a record of transactions is maintained and new units of currency are generated by the computational solution of mathematical problems and which operates independently of a central bank. All of these choices are correct.

Computing depreciation, net book value, and gain or loss on asset sale lynch company owns and operates a delivery van that originally cost $46,400. lynch has recorded straight-line depreciation on the van for four years, calculated assuming a $5,000 expected salvage value at the end of its estimated six-year useful life. depreciation was last recorded at the end of the fourth year, at which time lynch disposes of this van. compute the net bookvalue of the van on the disposal date.

Why might a business based on a fad be a good idea? question 2 options: fads bring in the most customers. some fads are longer lasting than expected. fads have made some business owners incredibly wealthy. fads can take a business in a new direction.

Which of the following businesses is most likely to disrupt an existing industry? a. closer connex developed an earphone that receives emails and text messages and converts them to voice messages. the first models had poor reception, but they rapidly improved over time. b. mega technologies reconfigured the components used in its touchscreen tablets to create a new type of wearable device for use in restaurants and other service industries. c. particle inc. developed a teleportation technology that can transport physical materials instantaneously across great distances. d. altrea added advanced camera technology to its premium line of smartphones so that they would take the highest-quality photos of all phones on the market.