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Suppose there is a smart contract for a phone. There is a smart contract of the phone on the blockchain. If the owner sells the phone to another and the transactions are invoked and the new owner gets updated on the smart contract. Is there any information saved about the previous owner of the phone (i.e if for audit a record of the lifecycle of the phone from owner to owner is maintained)? If yes, then how is it done? What kind of data structure is used to do so for minimal runtime while utilizing storage at best?
Question • 3 days ago
Vivektiwari
vivektiwari
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 0
I am about to be a brewery owner, and am wondering how cryptocurrency could be of benefit both in raising funds for brewery projects, but also in terms of its application to day to day operations (accepting bitcoin or ethereum as payment).Is there an application or not?
Question • 7 days ago
M.juaire@gmail.com
[email protected]
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 3
Hi Ameer, I have few questions as follows: 1- When we do a transaction in an open ledger, how do we keep the privacy of the transaction. 2- When transaction is being done between two parties, how the agreements got exchanged. 3- If we are buying a commodity, how the transaction is going to be and why seller also needs to buy bitcoins? 4- After receiving the bitcoin, if the receiver doesn’t want to en cash immediately and do it on a later date, what rate of exchange will be applicable? 5- Is it possible to send bitcoins directly to the bank account? 6- How the receiver will retrieve the money?
Question • 2 weeks ago
Soni
Soni
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 3