Questions tagged [data-validity]
The data-validity tag has no usage guidance.
6
questions
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Verify a transaction response correctness
In my dapp users are sending transaction to my db, but a malicious user could just generate thousands of fake TransactionResponse and send them to the db, forcing me to check all of them to know if ...
- 203
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1
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515
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How to validate a transaction from any block in Blockchain
Given that we have a Blockchain with smart contracts. We have end users operating the platform for some time. Now one user wants to verify the claim of a transaction.
Example, I have to prove that ...
- 152
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196
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Detect orphant or uncle block
At a specificed time, I got a block from physical node with number 10074305 and it returned hash 0xdd30541695c4e574839d2356a01ff19e68c8c90c180b8955623c5e0b4b7e864a (#0), then after a period time, this ...
- 25
1
vote
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55
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Spending funds before the block is mined
Suppose I have an application that receives funds from users and instantly moves them into an associated cold storage account.
If one of our nodes detects a transaction broadcast to one of our ...
- 209
2
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102
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Why is NOT a protocol with a Turing-complete smart contract language able to use SNARKs to prove the validity of the chain?
In the following article (Link to the article: https://medium.com/nearprotocol/unsolved-problems-in-blockchain-sharding-2327d6517f43), the challenges of zk-SNARKs are mentioned as
follows:
The ...
- 2,518
2
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32
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The "Fisherman" idea for indirectly determining the validity of the canonical chain?
The following article explains the problem of validating a block in a cross-shard transaction in a sharded chain, along with existing solutions.
One of the mentioned solutions is the "Fisherman" idea ...
- 2,518