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Results tagged with altcoin-development
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user 2306
Questions about alternative cryptocurrencies are off topic unless they are applicable to Bitcoin.
1
vote
Accepted
What does 1 day PoW mean?
It doesn't have a 24-hour block time, it issued all its PoW coins in the first 24 hours of existence.
The math you're looking for is nTargetSpacing * LAST_POW_BLOCK, which multiplies to 86400, the nu …
- 29.5k
1
vote
Reject all other Blocks and allow only my own mined blocks
I suspect that this is an instance of the XY problem, but I'll answer anyway.
If you modify ProcessMessage so that it drops any inbound block messages, that would do it.
Change
else if (strComm …
- 29.5k
2
votes
Accepted
how to make the first block of 200 btc?
Yes, this is possible. Modify this code:
CAmount GetBlockSubsidy(int nHeight, const Consensus::Params& consensusParams)
{
int halvings = nHeight / consensusParams.nSubsidyHalvingInterval;
// …
- 29.5k
1
vote
Segmentation fault when loading checkpoints - altcoin dev
Try deleting the block files. That error signals that the proof of work on the loaded block is incorrect.
- 29.5k
1
vote
Fastest device to perform single-threaded SHA256 hashing
maservant is correct that you could build specialized hardware to compute this faster. I'm assuming that you're interested only in off-the-shelf hardware.
Intel has proposed adding SHA256 extensions …
- 29.5k
1
vote
Accepted
What value of nMinimumChainWork and powLimit should I choose for my altcoin?
how to calculate this parameter, i little not understand. It's not block in blockchain, how find this value if altcoin exist end i update sources with exist blockchain end for new blockchain.
Bec …
- 29.5k
0
votes
what do these values in chainparams.cpp do?
what do these values in chainparams.cpp do?
If nMajorityEnforceBlockUpgrade out of the last nMajorityWindow blocks have signaled support for a softfork, enforce the softfork's rules on the blocks …
- 29.5k
4
votes
How to prevent ASIC mining for my new altcoin?
Are there any steps which I should include in my altcoin's mining algorithm to prevent ASIC mining?
That's not really what you should be asking. You should be asking, "Can someone design an ASIC …
- 29.5k
3
votes
Accepted
New params of chainparams.cpp. What put on them and how generate?
uint256S("00000fffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"); //what this do ? end what put to here
The first line describes a minimum difficulty.
consensus.nRuleChangeActivationThr …
- 29.5k
0
votes
Accepted
Question about retarget system bitcoin, add hardcodet block to exist blockchain
if (nActualTimespan < params.nPowTargetTimespan/4)
nActualTimespan = params.nPowTargetTimespan/4;
if (nActualTimespan > params.nPowTargetTimespan*2)
nActualTimespan = params.nP …
- 29.5k