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Results tagged with timestamp
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user 620
Questions related to the timestamp value of a block, or the use of Ethereum in timestamping.
5
votes
Accepted
1
vote
Slackness issue and time in smart contracts
now() is a value that the miner of the particular block gives on the block. now() is already a construct in Solidity language.
Ethereum protocol gives some guarantees regarding the block skew of now( …
- 23k
2
votes
Accepted
Avoid using block.timestamp
This linter advice is incorrect and in practice block.timestamp is safe. The risks of using block numbers are higher because the block production rate is not deterministic. The linter advice is based …
- 23k
1
vote
using block.blockhash instead of block.timestamp for 30 minutes
The usage of block.timestamp has good security properties and you might have misunderstood something. Unless you know what you are doing please stick to block.timestamp.
- 23k
1
vote
Accepted
Ethereum block timestamp
Is the timestamp of a block referring to the time that block is created or when it's mined by a miner?
Yes.
the block number I'am printing is referring to the latest block that was mined? … f I am correct, why if I fetch that block Timestamp and I compare it with the current Unix Time they are different? …
- 23k
3
votes
Accepted
By what duration can a miner manipulate block.timestamp?
There is no written rule on this, miners and full nodes can set themselves what kind of block timestamp skew they tolerate.
In practice, there has not been any notable timestamp skew ever. …
- 23k