Bitcoin Weekly Newsletter

Bitcoin newsletter

Top new questions this week:

Confirm own incoming transactions

Is it possible to only mine your own incoming transactions? So you can confirm a Bitcoin transaction (only locally).

mining-theory confirmations transaction-verification  
asked by Daniel Gelling 3 votes
answered by Murch 3 votes

Testnet wallet fully sync block height different to testnet blockchain explorer

I run bitcoin core into testnet mode for learning/testing purpose. My client/wallet/node are fully sync, based on the "check mark" at the bottom right of the GUI-client. Via getinfo command I obtain : ...

bitcoin-core testnet utxo height  
asked by onepix 3 votes

Private Brain Key Generation and Public Address Not Matching Java

I am trying to generate a public and private key set from a input string in Java. (Yes I am aware this can be a dangerous practice) I am using bitcoinj for a outside library. I currently have: ...

wallet private-key public-key sha256 brain-wallet  
asked by John Down 3 votes
answered by dave_thompson_085 0 votes

How can I set the transaction fee when creating a transaction through Bitcoin-cli commands?

I want to run the following command via bitcoin-cli: ./bitcoin-cli sendfrom "10302c02147e2948cbejd9a2bd80d9691ef08a6a4d416c2bb602143a4anj06b90e" "32cjBTQkfLBp38ixj7hdjk0cc90VPPnwhQ" 3.04384215 ...

bitcoind transaction-fees raw-transaction bitcoin-cli  
asked by PythonRocks 2 votes
answered by Tom Harding 2 votes

How are transactions collected into new block?

How are the latest transactions collected into new block to send them to miners for hashing? Which part of the network is responsible for giving miners the correct block to hash?

transaction-fees mining-theory transaction-selection  
asked by Xawery Wiśniowiecki 2 votes
answered by Mark S. 1 vote

Stellar UTF-8 Support

We are developing the open government auctions system on “Stellar” platform. We forked Stellar and run our own network. We’ve added Lot creation transactions, auction participation, bids etc. There ...

asked by DmRomantsov 2 votes
answered by DmRomantsov 0 votes

0 active connection to bitcoin network (testnet)

I am working with the testnet. I downloaded the bitcoin-core application on Linux and I am running the version Bitcoin Core version v0.12.1.0-g9779e1e (64-bit) I was able to download the bitcoin ...

synchronization testnet bitcoin-qt-setup  
asked by jgm 1 vote
answered by jgm 1 vote

Greatest hits from previous weeks:

How can I sell bitcoins and transfer the funds to bank my account?

A friend of mine gave me two bitcoins which I now want to sell. I don't understand the process which would enable me send the funds generated to my bank account.

asked by dom. 3 votes
answered by Sam Weinberg 7 votes

Bitcoin-Qt setup: Change block-chain file location, settings? documentation?

I am installing Bitcoin-Qt and have been reading about Bitcoin basics, but I found very little information on the client. I have a few questions about the Bitcoin-Qt program (v0.8.1-beta under Windows ...

client bitcoin-core  
asked by Garrick 12 votes
answered by Nick ODell 10 votes

Can you answer these?

How to upgrade my node with bitcoin wallet GUI from 0.11.2 to 0.12.1? Install qt V5.5?

i want update my RaspNode (rPi 2 B+) to the 0.12.1 but i want to use Bitcoin wallet GUI. So, it's necessary to install QT V 5.5... V 0.11.2 use QT 4.8, but 0.12.1 uses QT V 5.5 How to install QT V ...

bitcoind client nodes raspberry-pi full-node  
asked by Michel Tardy 1 vote

Where can I get a complete, 1-minute precision OHLC data for the BTC/USD trading pair?

I need that for a charting application. Is there any place providing that data for free?

exchange-rate charts historical-trade-data  
asked by Viclib 1 vote

A common criticism of Segregated Witness is that it is "unnecessarily complex". Why is it chosen over alternatives?

Segregated Witness (SegWit) is well-along the way to being implemented and deployed as a soft-fork. Facts: SegWit eliminates most forms of transaction malleability. Discounts input scripts in ...

script transaction-malleability block-size-increase segregated-witness  
asked by Murch 1 vote
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