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4 views

Are tokens a catch-all solution to any financial technology problem?

In short: Other than asset or money transfers, are there problems in the world of financial technology that cannot be modeled as token transfers? If the chief economist of the world bank came to you ...
-1
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1answer
14 views

Automated decentralized exchange between bitcoin and similar currency?

I want to create a cryptocurrency that's backed by bitcoin, that's running on it's own different blockchain and consensus algorithm. Is it possible have a decentralized exchange between bitcoin and ...
0
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0answers
20 views

How can I open my wallet in 2009

My wallet in 2009. I've been looking for a long time, I found my key. I logged in with electrum, the addresses were fine, but my bitcoins did not appear. "not available for this wallet" is ...
0
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1answer
16 views

Block version 0x20000000

When i run getblocktemplate, Bitcoind gives me in the version field a decimal number, when i convert it to Hex it's 20000000 I know it must be in little endian, but to build the blockheader must i put ...
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0answers
8 views

How can properties of hash function insertion , copy and prediction? [closed]

So definitions are as fallow : insertion occurs when, given a chain C with two consecutive blocks B and B′,a block B'' created after B′ is such that B , B'', B′ form three consecutive blocks of a ...
3
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1answer
371 views

How do you make the unicode Bitcoin symbol show correctly in text on Linux?

The Bitcoin symbol was added to the Unicode standard as ₿ (U+20BF). This shows up as a placeholder (empty box) in texts for me. What do you have to do so it will be shown in text, e.g. in the browser?
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0answers
22 views

Is it viable to make bitcoin an official currency of a country and build the country's economy in it?

Let's consider the hypothetical situation: A country X makes Bitcoin as its sole official currency and legal tender by law, i.e. taxes must be paid using Bitcoin, and sending bitcoin will discharge a ...
0
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1answer
10 views

How do I call getblocktemplate from C#'s bitcoinlib?

How do I call getblocktemplate from the bitcoinlib package for C#? This call does not work ICoinService CoinService = new BitcoinService(useTestnet: true); var blockTemplate = CoinService....
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0answers
13 views

HELP ME WITH BITCOIN TIME STAMPS

OK, so I had several backed up .dat files on google which I put in opentimestamps I could see that these files had time stamp data... so I uploaded and *****below is what the results were. What does ...
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0answers
10 views

Hola, estoy en Freebitco.in y quiero saber ¿cómo crear una billetera Bitcoin? [closed]

estoy perdida. entre a una página llamada Freebitco.in y no se cómo crear un billetera de papel. Alguien me puede ayudar?. gracias
1
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0answers
32 views

Is there a widely used symbol for satoshi yet?

Has a symbol been widely adopted for satoshi yet? I've seen Ș suggested but it's already a letter in Romanian. Ꞩ, Ȿ & ẜ (long s with stroke) all seem to be otherwise unused. Has anyone suggested ...
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0answers
13 views

Is there a real case where a very long blockchain got overtaken? [duplicate]

The longer the longest blockchain is, the harder it is to get overtaken by new blockchain with different sequence of transactions. But is there a case where it happened? What happened afterwards if ...
1
vote
1answer
33 views

Bitcoin's cryptographic protocol allows for leakage of information about one's Private Key, making recalculation of the private key possible?

Is it true that the cryptography which is used in bitcoin allows for leakage of information which could be used to recalculate the private key - IF you are continuously reusing the same public address ...
1
vote
1answer
82 views

In Bitcoin, what happens if there is no viable nonce?

I'm assuming SHA is perfectly uniform. In bitcoin, there are $2^{32}$ possible inputs per block, which are mapped to $2^{256}$ possible outputs. So there is a $1/2^{224}$ chance that any randomly ...
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0answers
11 views

When to buy this weekend [closed]

Already bought some at 8k want to buy more now but too high, what is a good price to set limit buy?
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1answer
18 views

Betting using Bitcoin Blockchain

User1 bet the hash of Block 999,000 that hash(block(999,000) = even user2 bet the hash of Block 999,000 that hash(block(999,000) = odd Both users pay/sign 1 BTC in a CoinJoin for that bet to a P2SH. ...
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0answers
13 views

Abandon transaction in Bitcoin Core with -zapwallettxes (transaction isn't online in mempool yet)

EDIT: I have found another solution for my problem. I've started Bitcoin Core with my wallet.dat backup, which I have saved before doing the transaction. If I am right and Bitcoin Core hadn't send the ...
0
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0answers
10 views

Missing money sent from blockchain to coin base [closed]

Missing money sent from blockchain to coin base. I have put in multiple tickets with coinbase starting on 6/18 and am not gettting any help. They say it takes 5-7 dayes it has been almost 2 months. ...
2
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1answer
18 views

What is the request limit number in the blockchain.info API?

I'm planning to use https://www.blockchain.com/api, precisely single block https://www.blockchain.com/api/blockchain_api for testing purposes on my script. I noticed there this line on the the API ...
0
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1answer
28 views

library for validating bitcoin private and public keys

I am building a python script that gets a string and determines if it is a valid bitcoin private key or public key, and if so it returns its type/format (base58, BIP32, HexaDecimal etc.) and its ...
0
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0answers
20 views

I sent money to myself with Bisq, but I have not recieved it?

I sent money to my own wallet address, from my wallet on Bisq. I did not receive the money, even though the payment is completed and has a check mark. In transaction, it shows just a withdrawn, ...
2
votes
1answer
45 views

Why is not possible for a hacker to intercept the hashes calculated by a miner, and send it all himself as if he was a miner?

(I tried to make a more specific question, but is a bit confusing to me. Sorry.) When a miner calculate a hash, where exactly does he send to in order to validate it? To all the nodes in the network? ...
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0answers
25 views

Solve problems using bitcoin smart contracts

Been trying to ask this to few people on different platforms but nothing was helpful so trying here and will keep trying because I don't even know what else can I do to learn more and contribute. What ...
0
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0answers
13 views

Is there a way to invest in a balanced fund of select currencies? [closed]

Similar to an ETF or index fund but preferably with custom selected currencies and balanced by their market cap or other criteria. I know of Bitwise, they have high requirements. CRYPTO20's portfolio ...
0
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1answer
42 views

How to check if one transactions is from the same wallet (public key) as a previous one

I wonder how to figure out whether one Bitcoin transaction is from the same wallet (public key) as any previous transaction in order to proof the ownership of a wallet.
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0answers
34 views

Clarfication on “ network synchrounisation” in analyzing bitcoin protocol in a synchronous model

I am reading The Bitcoin Backbone Protocol:Analysis and Applications and i have no previous knowledge on different type of networks . And there is a term in paper " high network synchronicity &...
0
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1answer
20 views

Read block info from log

I'm new in the Bitcoin world, but I want do the script. The script will read "blocks" from debug.log, but now when I looking to a debug.log I don't see anything about blocks. Is it possible? ...
0
votes
1answer
17 views

How to use getblocktemplate method with Bitcoinlib Library

I am using bitcoinlib to communicate with bitcoin-qt This is the code i tried: Dim BitcoinService As Services.RpcServices.RpcService.IRpcService = New Services.Coins.Bitcoin.BitcoinService("http:...
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1answer
19 views

Why was the BIP33 (“Stratized Nodes”) never implemented?

What are the technical reasons that BIP33 was never implemented ?
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1answer
27 views

How's Blockchain like “magical Smart Contract”?

Please keep everything like I'm 5. I don't know computer science or programming. Please help me understand this ELI5 comment? I simplified names. Bob opens a candy shop called BCS (Bob's Candy Shop). ...
0
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1answer
32 views

Private Key leakage due to reusing same address, how to prevent?

1 What precisely is the meaning of "reusing"? Is it receiving multiple times coins to the same btc address? Or is it also about sending coins? 2 How can people avoid this leaking of ...
0
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1answer
18 views

Pending Transactions in Electrum

I downloaded the new version of Electrum (4.0.2) and when I sent coin to my other wallet, I forgot to choose/add mining fees. Now the transaction is in Pending and has been for the last six hours. The ...
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0answers
16 views

What is the current growth rate of the bitcoin blockchain size month by month in 2020?

I'm looking to get a VPS to host a btc full node and would like to know how much space I should get and what is the current Bitcoin blockchain growth rate on a monthly basis?
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2answers
25 views

Bitcoin core wallet backup corrupted by an external tool

Do you know if my wallet.dat which has become wallet.axx due to incorrect handling of an external program (I do not know the name of the program, but it is used to encrypt Windows files) has the ...
1
vote
1answer
31 views

Could CHECKSIGADD be used on new ECDSA multisignatures instead of CHECKMULTISIG?

The proposed Taproot soft fork (BIP 342) defines the new opcode OP_CHECKSIGADD to verify Schnorr multisignatures whilst OP_CHECKMULTISIG (and OP_CHECKMULTISIGVERIFY) are disabled for Taproot spends (...
2
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2answers
57 views

Given OP_VER was never used, is disabled and not considered useful can its meaning be stripped and it be made OP_SUCCESS?

Given OP_VER (0x62) was never used onchain, is disabled and is not considered useful can its meaning be stripped and it be made OP_SUCCESS for the purposes of introducing a new different opcode in ...
0
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1answer
18 views

Should a node follow the longest chain, or the chain with most work while syncing?

I'm reading mixed things online - some saying to follow the longest chain, and some say to follow the chain with the most work. But I'm not convinced of the former. If the node follows the longest ...
0
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1answer
37 views

Where is the actual data stored in blockchain?

I know that the blockchain stores the transnational data and it is immutable but where is the actual data stored? If there is a use case to replace a centralized data center solution with a blockchain ...
1
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1answer
17 views

Electrum wallet address not showing

I've just installed the electrum wallet accordingly said by every other website but wasn't able to find my wallet address under the receiving tab or anywhere as mentioned over the internet. Also what ...
0
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0answers
27 views

Cashless society [closed]

A cashless society seems inevitable when we look 50 - 100 years in the future. What role will bitcoin play? People estimate bitcoin reaching its cap in 2140 so that will play a role in its value ...
0
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0answers
15 views

Using BTCPay Server along with a web server in a single machine

For better context: https://stackoverflow.com/questions/63123652/is-there-a-way-to-set-port-in-a-dns-forward Hello community! I have setup an aws ec2 instance and installed BTCPay server on it. I used ...
0
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0answers
18 views

Finding legitimate sources of research and info regarding crypto, mining and the blockchain [duplicate]

I'm relatively new to Bitcoin, crypto and the blockchain and mining etc, however due to having over 15 years experience in IT Ive followed BTC etc since it kicked off in (2009?), and would like to ...
0
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1answer
34 views
+50

API for top bitcoin addresses sorted by available balance

Is there any API from where I can get the list of top bitcoin addresses sorted by available balance? I know there are many websites out there listing Bitcoin rich list but I need an API.
0
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1answer
32 views

Bip39 tool - BIP32 Extended Private Key vs BIP32 Root Key

In the bip39 mnemonic tool there is three sections : Mnemonic : we input our words or a BIP39 seed and the tool compute for us the BIP32 Root Key Derivation Path: there is a BIP32 Extended Private/...
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0answers
13 views

Which Platform Is Better To Perform Crypto Trading in Malaysia? [closed]

Is Huobi platform a great choice to perform trading in Malaysia? What makes you want to create an account and start trading on this platform?
0
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0answers
18 views

Is Blockchain or Bitcoin Famous in Malaysia? [closed]

Is it legal to promote a trading platform in Malaysia? I would like to know more about the current situation of Malaysian towards cryptocurrency or blockchain. Is Malaysian have better knowledge on ...
0
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0answers
12 views

How to Buy Bitcoin in India with INR? [closed]

I have tried many platforms but didn't find a reliable platform that charges a low transaction fee for buy and selling. Please suggest me a good crypto exchange for buying and selling cryptos in India....
1
vote
1answer
25 views

transaction (s) not going through due to low fees selected [duplicate]

I'm having a problem with a bitcoin transaction (not through btcpay, but i don't know where else to turn to). I sent 0.06btc from my wallet to my father (20 hours ago), and stupid as i am, decided to ...
0
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0answers
23 views

Decoding raw transaction

I have several raw transaction hashes that when I go to decode on blockchain it says; Trying to access beyond buffer length What does this mean? I got these hashes from an encoded UTC file i sent to ...
0
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2answers
41 views

How does Bitcoin choose to which miner the reward will go? [duplicate]

Let's say 100 miners with similar hashrate all try at the same time to mine the same block and finish at the same time, how will Bitcoin choose to which miner the reward will go? Is there some prority ...

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