qt Archives - Coin Guides

How to verify Bitcoin core – Validate checksum & verify release signatures

coinguides — Fri, 13 Jan 2023 05:29:34 +0000

How to verify the Bitcoin core software? Wait! “Do I need to verify the software? I downloaded Bitcoin core from the official website bitcoin.org and I never checked the keys nor verified the release signatures previously”. Should I verify Bitcoin Core? Not just Bitcoin core. You should verify every software before you install it on …

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Bitcoin Core – Warning: unknown new rules activated (versionbit X)

coinguides — Wed, 07 Jul 2021 02:59:25 +0000

Opening your Bitcoin core wallet after a long time? Then most probably you’ll see this warning message in your wallet: “Warning: unknown new rules activated” or “Unknown block versions being mined!”. Recently one of our users asked us what this warning is all about? After a month or so they’ve opened their Bitcoin core wallet …

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Import wallet.dat file into electrum? Transfer Bitcoin from QT to electrum

coinguides — Fri, 26 Mar 2021 05:22:21 +0000

This guide is mainly intended for Bitcoin core QT wallet users. Its for former users who wish to securely transfer their Bitcoins from their backup wallet.dat file to an alternate wallet. Specifically electrum wallet. And its for those who do not want to wait for the wallet initial synchronization which typically takes hours / days depending …

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Sending Bitcoin from specific address in core & electrum wallet – Coin control

coinguides — Wed, 20 Jan 2021 05:18:08 +0000

One of our readers recently asked us “is there a way to send funds from a specific bitcoin address in a wallet?” Yes, by making use of the coin control you can send from specific address or specific UTXOs. Jump straight to the guide Most Bitcoin wallet has coin control feature and many know how …

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Bitcoin core wallet RPC console commands – Bitcoin-qt client API call lists

coinguides — Wed, 21 Oct 2020 05:48:12 +0000

In this article we’ll share some of the basic commands that you can use to interact with your Bitcoin core RPC console. Bitcoin core QT client is the original Bitcoin wallet and a full node that has features most other Bitcoin wallets don’t have. It builds the backbone of the network. It offers full validation …

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Using keepass to store Bitcoin private keys & seed words – is it safe?

coinguides — Sat, 04 Jul 2020 07:12:41 +0000

Where do you store your private keys? If it is on memory stick then how do you keep that safe? Do you store it on cloud? No, that’s really a bad idea. Under the bed? Do you print it on paper and put it in a safe locker? Everybody has their own way of storing …

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Bitcoin QT client / core wallet closing abruptly (crash fixed)

coinguides — Thu, 11 Jun 2020 06:05:16 +0000

Is your Bitcoin wallet closing without any warning or notification? Well, you are not alone. Issues like this are common and in most cases the problem occurs when you force shutdown the wallet. If that is the case then probably you might have messed up your blockchain file. You’ll need to delete the blk.dat files …

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What is Bitcoin address, why is it important & how to get a BTC address?

coinguides — Fri, 17 May 2019 14:45:21 +0000

Note: Bitcoin address and BTC address both refer to the same thing. BTC is just a ticker symbol of Bitcoin. There is also another symbol called XBT which also refers to Bitcoin. Here you can learn about ticker symbol and the difference between XBT and BTC. It’s been more than a decade since Bitcoin was …

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How to verify MD5, SHA256 checksum of a cryptocurrency wallet / software

coinguides — Tue, 02 Apr 2019 14:59:27 +0000

MD5 and SHA256 checksum: Recently one of our user asked “In the Github page I do see several Windows 64 files; a .exe file, a .md5sum file and a .sha256sum file; which one should I download?” We told them to download the .exe file or the .zip file which is larger in size. The ones …

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Transaction Hash ID (TXID) – What is it & how to find the transaction ID

coinguides — Tue, 13 Nov 2018 15:18:55 +0000

Have you just made a payment and the recipient is asking for the “transaction hash”? Whether you pay in Bitcoin, Ethereum, Litecoin or Monero; often times the merchant will ask you for the hash or the transaction ID as a proof of payment. There are other scenarios as well where a third party wallet service …

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