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Questions tagged [altcoin]

Questions about alternative cryptocurrencies are off topic unless they are applicable to Bitcoin.

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1answer
83 views

How to do a 51% attack on my own altcoin [closed]

recently I have been curious about 51% attacks so I created a fork of litecoin and want to do a 51% attack on the coin but don't know how to. please can you tell me how to do it. Thanks,
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0answers
28 views

Failing to create a new address to be used for receiving staking rewards whenever a generated block is accepted [closed]

Our problem is that we need to get a new address on each stake. What I've tried so far is: Generating a new address right before a block is accepted and try using it to receive the stakes, but that ...
1
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1answer
57 views

blockexplorer is not fully synced [closed]

I am working with a cryptocurrency which is a fork of bitcoin. In my blockexplorer it shows 91% synced and I cant see any latest blocks.
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3answers
388 views

What was the first altcoin?

I'm aware that LiteCoin is (was?) the "silver" to bitcoin's "gold". The question is: What was the first altcoin? Was it actually LiteCoin or was there something else? For the purposes of "alt ...
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4answers
72 views

Wallets that trade all Cryptocurrencies?

Been looking around, basically just learning...so much to learn lol. One thing I cant find but...is there a wallet/s that allows trading across all cryptocurrencies? They all seem to be quite ...
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1answer
367 views

Altcoin Solo mining Help / Advice

I am kind of stumped. I have been mining for about 6 months and have been trying out various methods in that time. I have used CPU, GPU (a combo of both) and most recently been using some older ASICS. ...
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4answers
44k views

What is 42Coin? Why it is highly priced?

In cryptsy, I see that one 42coin is trading at >900 BTC. Just wondering what is 42coin and why it is highly priced?
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1answer
1k views

How to create VeChain X Node? (VEN/VET)

Let's say I have a required amount of VET to make an X Node. How do I create it?
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1answer
285 views

Changed Merkle Root and Genesis Hash - Not Compiling

I am kindly asking the expert programmers of this wonderful forum to enlighten me on why the updated QT I have created, does not properly open when running ./stonecoin-qt , but rather dumps core and ...
0
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1answer
81 views

Where can new cryptocurrency features be found?

I was wondering what new cryptocurrency features may be introduced. How can I find published new cryptocurrency features?
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2answers
1k views

Tezos vs Decred

What are the main differences between Decred and Tezos ? Both integrate a governance mechanism so they don't seem very different to me.
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1answer
4k views

Build a wallet for Android and iOS for a self-made cryptocurrency

I've built a cryptocurrency of my own using this video guide. I did the first 4 steps out of 6, as the 5th level is about building a wallet for Windows platform. I have started creating this ...
5
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3answers
2k views

Have there been any successful “airdrops”?

Starting with Auroracoin, a lot of coins aimed to perform an "airdrop" and distribute their coins to certain groups of people. I am wondering, have there been any successful airdrops? If so, how did ...
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1answer
78 views

Is it possible to take advantage of FP16 for mining BTC or ALTs?

I know mining uses mostly Integers, not Floating Point Ops... but still, is it possible to use Graphics Cards that support native 16bit Math for mining? Will it improve the performance in specific ...
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1answer
2k views

Cannot mine Genesis / First Block (PIVX Fork / Clone)

Whatever I do, I am unable to mine the 1st block after the genesis block. All the while, I have assumed that I have mined the Genesis block, and I am unable to mine the 1st block using "setgenerate ...
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1answer
735 views

ERROR: AcceptBlock: high-hash, proof of work failed (code 16)

I followed this medium link to create a coin just like bitcoin . https://medium.com/@jordan.baczuk/how-to-fork-bitcoin-c39139506443 Based on this tutorial i update DEFAULT_MAX_TIP_AGE to int64_t ...
2
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2answers
1k views

How easy is it to solo-mine new altcoins?

It seems to be pretty clear that CPU/GPU mining is obsolete for the big fellas (Litecoin, Bitcoin, Ethereum, arguably Dogecoin). This is a bummer for beginners like myself cause I'm keen to dive in ...
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0answers
261 views

CPU Miner return Internal Server Error for getblocktemplate request

I was developing an altcoin using bitcoin v 0.17. I am using CPU miner for mining purposes. I started the miner using this command: ./minerd -a sha256d -o http://localhost:19230 -O adreno:adreno@123 -...
-1
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1answer
248 views

How to go PoS once PoW ends?

I cloned a test coin from another altcoin for learning purpose. This had lastPoWBlock as 400 and i was able to premine using cpu miner but my chain stops at 400 blocks. It should be a PoS after 400 ...
-1
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1answer
82 views

Other people mining my coin without my permission, how to avoid this? [closed]

I have created an altcoin and i wanted to solo mine all coins myself. I disabled generate function in wallet, hidden the source code as private in github. I run one main node and i mine in my laptop. ...
1
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1answer
181 views

How to get staking balance using RPC commands [closed]

I enabled staking on my wallet. I want to know the staking rewards I got. Is there any rpc command exist to get staking reward balance? Thanks
2
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1answer
43 views

Is there a documentation of the first altcoins timeline?

Meaning, which altcoin was created one, in a chronological order. It's interesting, from a historical perspective, to collect such an archive.
3
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1answer
85 views

Why haven't a large number of cryptocurrencies copied Primecoin's mining algorithm? [closed]

According to my understanding, generating an ever-growing list of prime numbers benefits mathematics and society in some mysterious way. Given this, why have more recently created proof-of-work ...
0
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1answer
90 views

"command not found' while installing dependencies [closed]

While installing dependencies for compiling an altcoin wallet on VPS for run a Masternode - using Ubuntu 16 I run into this fatal error In file included from alert.h:9:0, from alert....
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0answers
2k views

Complete list of merged mineable coins? SHA256 + Scrypt [closed]

mmpool.org mines these SHA256 PoW coins: Bitcoin Namecoin Ixcoin Devcoin I0coin Groupcoin https://en.bitcoin.it/wiki/Merged_mining_specification claims that it is only used by Namecoin Is there a ...
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1answer
1k views

What is Delegated Proof of Stake (DPoS)?

I know that it is a consensus algorithm that is different from Proof of Work (PoW) and Proof of Stake (PoS) which is used in a few blockchains including but not limited to STEEM, BitShares and ARK, ...
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1answer
691 views

How to get all time high and low price of bitcoin and other altcoins

I am fetching current price of 500 coins from coinmarketcap.com using their api for some crypto research. I also the all time high and low of these coins to see how much has the value appreciated/ ...
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1answer
455 views

How do I implement bitcoin-seeder for an altcoin?

I am creating an altcoin, following a tutorial. The tutor skipped explaining setting up the DNS seeder. How can I implement this code https://github.com/sipa/bitcoin-seeder ? Currently when I run ./...
2
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1answer
230 views

Is there a list of coins that are bip-32 compatible?

BIP 32 allows me to derive keys based off a root key pair, and all these keys will be on the secp256k1 curve. That means I'll be able to use BIP 32 for other coins that are also based on your curve. ...
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2answers
53 views

Is there any relationship between Altcoin domain name and its validity? [closed]

We are seeing many new alcoins coming to the market. However a lot of them have very weird websites. io, org etc. But yesterdayi noticed a new altcoin GAME https://coinmarketcap.com/currencies/game/ ...
1
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1answer
320 views

Compiling bitcoin-qt error: ld.exe: cannot find -lsecp256k1

I have followed the guide "Building headless Bitcoin and Bitcoin-qt on Windows" but with a more recent altcoin source code to test. The compilation stop on ld.exe: cannot find -lsecp256k1 Is one ...
1
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0answers
52 views

Does PPS reward depend on specific block difficulty?

How is reward per share calculated on PPS payments system? Does it depend on specific block difficulty or average difficulty per day/week/month used? If I have mined two successive blocks with ...
4
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1answer
534 views

How can forks coexist even though only one of the is the longest chain?

We know Bitcoin has some forks like Bitcoin Cash and Litecoin. They make a new branch on chain, so how can they coexist without the shorter branches being discarded, and just the longest chain staying ...
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1answer
953 views

New altcoin. Cpuminer gives me “booo”

I made a new altcoin based on "INSaNe" https://github.com/CryptoCoderz/INSN I changed genesis hashes using this code: if (true && (genesis.GetHash() != hashGenesisBlock)) { ...
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2answers
2k views

Why bitcoin rise causes altcoins to drop?

Bitcoin has grown significantly in the last few days. From what I can see on Binance, price of the majority of altcoins has dropped significantly relative to bitcoin at the same time. I've been ...
0
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1answer
94 views

Unwanted peers connecting to Altcoin

I am building an altcoin using the litecoin source code. I have removed all of the Emplace Seed calls in chainparams.cpp for DNS seeding, changed my default node communication port to port 421 and ...
4
votes
1answer
96 views

Aborting a three-way swap

Suppose Alice has 1 BTC, Bob has 1 LTC, and Carol has 1 NMC. Alice wants NMC for BTC, Bob wants BTC for LTC, and Carol wants LTC for NMC. Assume each cryptocurrency has the same value and can be 1-to-...
0
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2answers
276 views

Determining the genesis transaction value or genesis_tx

Is there a way to determine the genesis transaction (genesis_tx) hash? I know the genesis block number but how do you determine genesis_tx? I am looking for this hash for an altcoin which was forked ...
0
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1answer
536 views

ERROR: ReadBlockFromDisk: Errors in block header at CBlockDiskPos(nFile=0, nPos=8) in altcoin

I am trying to create altcoin(Abccoin) from bitcoin and change parameters in chainparams.cpp and also generated the genesis block hash and hashMerkleRoot but when I start the daemon with abccoind -...
0
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3answers
1k views

Problem mining Genesis Block in Dash Clone

Good morning, I need help !! I have cloned other coins (scrypt and SHA256), but I found a big problem with the DASH CLONE. After having completed the DASHCLONE project. When I can not do the genesis ...
2
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2answers
869 views

Generate keys/addresses for all altcoins

I'm looking for a library or method to generate addresses for as many of the most popular currencies/altcoins as possible. Is there a known library that supports this? Or do I need to use a specific ...
0
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1answer
117 views

Altcoin: Send/receive transactions between nodes have high failure rate

I've noticed that an unusually high number of my attempted send transactions between my nodes (which is currently only 6 at most, but never less than 4) will not broadcast regardless of the amount of ...
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2answers
1k views

How to start multiple altcoin rpc daemons at once?

I'm building an ecommerce website where I want to do my own payment processing in seven different ctyptocurrencies. I want use the separate versions of bitcoind for each currency, because I feel like ...
0
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1answer
83 views

How can I check what mining algorithm does an altcoin use?

Where in the sourcecode files can this be checked? For example, lets get a specific coin: Chronon https://github.com/ChrononGroup/Chronon In what file can one check the mining algorithm?
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1answer
52 views

How prevalent are coin attacks with botique altcoins?

I have deployed several altcoins using various PoW algorithms on my LAN for my buddies and I to mine/learn from. We ultimately want to go the distance of deploying an altcoin to the world, writing the ...
2
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0answers
216 views

How to hard fork a altcoin? [closed]

I have created a altcoin using the reference of LTC and already 170k blocks were formed. Now i want to change the conformation time as well as i want the difficulty to start from base difficulty....
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2answers
1k views

How to add seed nodes in altcoin?

I have made an altcoin in my local machine running MacOSX. I have purchased amazon ec2 and compiling the daemon to running in unix. How do i add seed nodes? I see that there are two files ...
1
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2answers
243 views

getblocktemplate returns out of memory

I tried on a few different machines, vps etc. Also, few different altcoin litecoin included. Most were with 4 GB of ram, if this matters. Every time when I enter the command getblocktemplate , I get ...
0
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1answer
529 views

Block Hash and Nonce generated by GenesisH0 python script is incorrect

After running GenesisH0 python script to generate the Genesis block for a local testnet (using v0.15.1), I got the following results. merkle hash: ...
1
vote
1answer
410 views

Solo mining on created altcoin: not able to create block

I have forked the code of an altcoin to play with the param and understand the process Source here. Now I want to solo mine to create the blocks. The miner is on my PC and the server on a Ubuntu 16....