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2 views

A very simple python trading bot

I have experimented with paid bots a lot in the years but for this usecase I need to make my own. Binance recently changed it's trading website: You can only create a sell order up until price x, ...
1
vote
0answers
12 views

Can a bitcoin transaction from a specific bitcoin address be banned? (via mining pools)

Can a bitcoin transaction from a specific bitcoin address be banned? (via mining pools) Suppose Satoshi Nakamoto wants to send some bitcoin from one of his bitcoin address, can the mining pools ...
1
vote
1answer
12 views

Was it always required for the Coinbase transaction to be the first transaction in a block?

The user tempo mentioned on another topic: "At least in the early protocol versions it was possible to put the coinbase transaction not on the top of the outputs." I have never heard about this ...
0
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1answer
10 views

I get invalid argument error when running bitcoin-cli -getnetworkinfo, and a few other parameters

So I have bitcoind -daemon running and it appears to be generating the blockchain. keeps saying Potential stale tip detected, will try using extra outbound peer... The issue is I run bitcoin-cli ...
0
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1answer
12 views

Why I'm getting different merkleroot?

I'm using merkle.cpp code (which uses the libbitcoin library for some helper functions) from Mastering Bitcoin book. I was trying to re-create Merkleroot hash for Bitcoin block #100000 containing 4 ...
0
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0answers
13 views

Please take a look at my server print out to see if all looks well or if the repeating errors mean something is wrong

So it is not clear to me if my bitcoin server is syncing and all is fine or if the "potential stale tip detected, will retry extra outbound " message means I have to do something. Searching for that ...
2
votes
0answers
9 views

Is it possible to catch up missing blocks with zeroMQ if script was down for a while?

I use zeroMQ to get all new blocks (rawblock or hashblock). If my script is down for few minutes or hours and I missed few blocks, is it possible to catch up all missed blocks with zeroMQ when I ...
0
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0answers
14 views

How to change the base point G in the Bitcoin module for generating public keys?

I want to change in the code to a base point G to generate public keys? import bitcoin with open("Privkey.txt","r") as f: content = f.readlines() # you may also want to remove whitespace ...
0
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0answers
15 views

https://testnet.blockchain.info/q/getblockcount can not work

https://testnet.blockchain.info/q/getblockcount can't get block height,response is null please help me~
0
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0answers
13 views

When I Use “https://testnet.blockchain.info/unspent?active=” to get my UTXO on testnet

When I Use "https://testnet.blockchain.info/unspent?active=" to get my UTXO on testnet but response is: Cannot deserialize instance of com.blockchain.haskoindata.blockchaindomain....
0
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0answers
14 views

How to start programming with tether USD

I believe USDT is operate on the bitcoin network, but recently they have migrated to tron? I am using standard mnemonic to generate addresses for BTC, and ETH, but how about USDT? Should I use TRON ...
0
votes
1answer
17 views

Bidirectional channel opening in c-lightning

With the current version of c-lightning is it possible to open a bidirectional channel funded by both parties? I managed to open a channel with fundchannel command, but that seems to be a ...
1
vote
2answers
19 views

How bitcoin application in production retrive UTXO's

AFIK, UTXO of an address cannot be retrieved using bitcoin-core, without importing the address in the wallet. How are application in production able to get UTXO ? Does all the application use ...
0
votes
1answer
32 views

How long would it take for all the Bitcoin Key pairs to be calculated?

Is this even something one should be worried about?
3
votes
3answers
142 views

Are BTC Private Keys evenly distributed in 256bit space?

If we assume that there are ~2^96 private keys for EACH bitcoin address (2^256-160) and we assume that in cryptography it is considered good property of every hash function if it evenly distributes ...
0
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0answers
4 views

Price calculation from Binance API trades/get_order results

I'm wondering how to calculate a price (per unit) for 1 order that was filled in 2 trades. The 2 trades (GET /api/v3/myTrades): {'commission': '0.00002301', 'commissionAsset': 'BNB', 'id': ...
0
votes
1answer
27 views

What stopping miner from altering value in transaction to increase transaction fee?

I'm learning bitcoin through this book "Mastering Bitcoin, 2nd Edition by Andreas M. Antonopoulos". I'm at Chapter 6 "Transactions". Here is my doubt: Example there is node A, received transaction ...
0
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0answers
13 views

My transaction is confirmed but 3 days unspent.. please help me [on hold]

Unspent Address 1BRe6R9itBEegoauRKKLkGDPYcYa7fZpZj Value 0.00113000 BTC Pkscript OP_DUP OP_HASH160 725a3475a2d9816efa5cf255030420dede154206 OP_EQUALVERIFY OP_CHECKSIG
2
votes
1answer
22 views

Parsing stripped-witness blocks

I've read all the relevant BIPs, and am still confused. Are segwit enabled blocks stripped of witness data and marker and flag bytes when they are propagated to non-segwit peers? Or are they just ...
2
votes
1answer
22 views

How does the 'queryroutes' function in lightning's LND calculate the route fees?

I am testing my own routing implementation and for some weird reason a handful of channels reject my payment stating InsufficientFee. The scenario is A -c1-> B -c2-> C whereby Node A is ...
0
votes
1answer
18 views

Doubt on lightning channel opening

It's 5 days since I opened my first (and unique, for now) lightning channel. Unfortunately it seems that only me have funded the channel while the counterparty didn't, so the channel it's actually a ...
0
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0answers
9 views

What is the solution for addressing split about other cryptocuurancies? [on hold]

I want to know how much other cryptocurrencies protocols are different from the Bitcoin protocol about addressing the splits? You know that split is when two miners mine a block with the same height. ...
1
vote
1answer
10 views

Processed withdrawal not reflecting in my blockchain wallet

Given below are the transaction details for the transaction which is not reflecting in my blockchain wallet, Transaction batch :f28888630e090d083ce2be5658f526b148d3e8259a33bbcfa58063cc13e8a4c0 ...
-1
votes
0answers
19 views

Is there some way I can auto-trade Bitcoin with “something else” on my computer without using centralized, photo id-requiring APIs?

Is there some way through I can automatically trade Bitcoin with another cryptocurrency or fiat on my computer without using centralized, photo id-requiring sites' APIs? I know that Bisq exists, ...
0
votes
1answer
17 views

Facing problem of “relay fee” in sending funds from one account to another

I have problem with bitcoin in sending payments from one user to another user. Please help with possible solutions
2
votes
2answers
22 views

Difference between block hash and transaction hash in bitcoin-core

Is there a logic based on which one can determine if a given 32-bit hash corresponds to a transaction or a block without enquiring a bitcoin-client? In other words, how do I differentiate or ...
1
vote
1answer
18 views

Is it possible to build pay to script without destination address?

I am thinking of a transaction that can only be spent if the recipient proves that he has burnt a specific amount of a colored coin. Because the recipient is not known beforehand, is it possible that ...
1
vote
1answer
26 views

What exactly happens when I import private keys to my wallet?

I can create addresses with private keys and import those keys into my wallet to receive their unspent outputs to later spend. My question is split into two parts: What exactly happens when you ...
1
vote
2answers
137 views

Throughput of Lightning Network

Is there any reliable source of information regarding the estimation of the number of payments that occur in Lightning Network every day? If the total number is impossible to estimate are there any ...
1
vote
1answer
46 views

Why one miner can dig out many blocks continually in one moment?

I am new to bitcoin and blockchain, I browed the website just now. There is a question confusing me, I find that one miner dig out blocks many times even in one hour. For example, this miner dig out ...
1
vote
1answer
108 views

Are Bulletproofs fully implemented into liquid?

Blockstream themselves released a paper in 2018 about a more efficient range proof and Calles IT Bulletproofs. I'm wondering if it is already fully integrated into the liquid sidechain?
2
votes
1answer
29 views

If a court orders mining pools to seize funds, they will modify their software to do it, or be shut down' - can this happen?

I thought nodes could prevent this too. but if enough miners did do this, what could happen in worst case? thanks in advance for responding
0
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0answers
27 views

if bitcoin miner(s) changed the UTXO set would the bitcoin nodes reject the blocks?

if so, would this cause a Fork? or what would happen?
0
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0answers
11 views

How Zcash wallet software find own balance if I use shielded address? [on hold]

Zcash is consist of public address and shielded address. shielded address is perfectly concealed all transaction activity. So, how Zcash wallet software(or explorer) find the balance of shielded ...
0
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0answers
18 views

Не могу попасть в кошелек Bitcoin Core [on hold]

Не могу войти в кошелек Bitcoin Core, установленный на компьютере. Повторно не устанавливается, как быть? Можно ли как то вывести биткоины с кошелька?
0
votes
0answers
16 views

How is verification of transformation of raw values done on the blockchain [on hold]

Is there a solution to verifying a transformation of raw values on the blockchain available? Example: You have a (private, permissioned) blockchain solution to verify how many apples you have in ...
2
votes
1answer
76 views

In Lightning commitment transactions, what do the upper 8 bits of sequence and locktime represent?

In Bolt 3 of the Lightning Network specs, for commitment transactions it states: locktime: upper 8 bits are 0x20, lower 24 bits are the lower 24 bits of the obscured commitment number. ...
0
votes
1answer
25 views

Lost .dat file but

I lost an old .dat file with 1.5 BTC balance. I created it with Bitcoin qt 0.8.6, I still have that exact program on my SD card. I once heard each bitcoin qt wallet does contain a pool of about 100 ...
0
votes
0answers
18 views

How could PSBT deal with data capacity limit of QR code?

QR code has very limited data capacity. (According to Wikipedia) one single QR code can only carry <3KB of binary data. It's not rare for a PSBT to hit this 3KB limit, especially for ones which ...
0
votes
1answer
17 views

How many bytes long should nSequence be?

When I look at the following raw transaction from: https://blockstream.info/tx/a175425ee2f3c01acc97ef32ab1082db14eaa94e5af4c54f02f3b01dec72558e?expand ...
5
votes
2answers
157 views

How does the bech32 length-extension mutation weakness work?

A bech32 address ending with p can be modified be inserting or removing q characters immediately before the final p character to make a new valid bech32 address. Why does this work? Are there any ...
0
votes
0answers
21 views

Power consumption at different frequencies

How do I understand power consumption of miner (e.g. s9) when changing frequencies? Is there some formula how the power consumption will change when I adjust frequency on miner's boards (using same/...
-2
votes
0answers
14 views

How come there are no PoS systems that checkpoint into BitCoin? [on hold]

Ethereum 2.0 will checkpoint their PoS system into their PoW system, but how come no one has done this with Bitcoin?
-1
votes
0answers
40 views

Recovering bitcoins sent to Bitcoin Cash address [duplicate]

I've sent Bitcoin to a Bitcoin Cash address instead of a Bitcoin address. I didn't receive the payment. Instead of sending to 1FJ1sryyHTXza6BDX5o4d4JFUDCdFt9muR (my Bitcoin address), I sent to this ...
0
votes
0answers
23 views

Can i have a blockchain that is not mined or validated?

I am willing to use the blockchain technology to implement voting system. So, I am planning to create a private network consisting of only nodes through which people vote and hence, I do not want any ...
-2
votes
0answers
21 views

Bitcoin ballet cold wallet ( card ) [on hold]

Ok so when using paper wallet you always want to get a new passphrase everytime you spend. I understand. But isnt the ballet keeping you on same passphrase? Isnt this less secure? It states its ...
0
votes
1answer
45 views

Why Block Chain not Transactions Chain?

I believe that, for some people, the term Block is a sort of holy notion. However, there exist yet some block-free blockchains such as Libra (Sometimes referred to as Zuck Buck). Unlike previous ...
0
votes
1answer
20 views

Where can I find a usefull log if bitcoind stopped for no apparent reason?

I am running bitcoind (Bitcoin Core) on a Raspberry 3B and the process occationally "disappears" from the list in top. The log debug.log shows no etries, last entry is usually something like 2019-11-...
0
votes
0answers
25 views

Txindex and addrindex in prune mode [on hold]

I'm trying to sync a pruned node and it fails around 40%. My node error: Unable to start server on [:8333]: block data for block 0000000000000000200ca9e48cecda84cc78c834d82f834bd7602d09e3727f9a ...
0
votes
0answers
13 views

Have there been any projects working on to create a stablecoin that is not based off of a transparent blockchain? [on hold]

Stablecoins have its use cases like the CDP Dai from Makerdao and so does a privacy coin like Monero. But is there a project that combines these 2 technologies to create a stablecoin that is also ...

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