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I set up my first bitcoin node and I’m a little confused with it. So, I am trying to setup a pruned node – which from my understanding is very useful if you just need your application to verify transaction/read blocks/lookup TXIDs. I added: prune=550 to my bitcoin.conf, and started up daemon again. However, IRead more

I have done the following things. Forked the source of Litecoin from GitHub Forked the GenesisH0 code and generated the Genesis Block Obtained the following things MAIN PUB KEY 04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f MERKLE_HASH e529cc33cd37b9cef501120c8002d0dc7a1944f0b1c4ed7910e3f7a24980ec9b TIMESTAMP 1517384860 MAIN_NONCE 158656 TEST_NONCE ::3039295 REGTEST_NONCE ::0 MAIN_GENESIS_HASH 9b5283364732dff073f16217d5296858979584f78d46e1f5ef0e6ba8af201742 TEST_GENESIS_HASH dfb95689f8dee4fc7580c13a4289212aa4bed78f136dca3ac67be93954161890 REGTEST_GENESIS_HASH fe049c0b7d05226704e2ee5ff59ad4c2d310f9fe1cb3264f5f7b3286b8a7f603 Replace these values in chainparams.cpp file in the sourceRead more

I recently downloaded a theme to test for a client project. I always do that before I buy a theme. 2 problems appeared: The first was that I had to remove all mentions of the site I downloaded the theme from Code: wpdb.org inside the theme's styles.css file. This was easy because all mentions wereRead more

I’ve searched on the internet and still unable to understand the usage of cold storage. Actually, I want to buy a few types of low price crypto currency coins and save them in my personal devices or papers. Later I need to send them to some exchanges to sell at higher price. I don’t wantRead more

This is the code I am using to download a file from a URL. How can I optimize this code, or is there another way to download a file faster? And how much should the value of the BUFFER_SIZE be? private final int BUFFER_SIZE = 4096; public String downloadFile(String fileURL, String saveDir) throws IOException {Read more

I am selling this website to collect some funds it is monetized by adsense this site come with facebook page with 121 likesRead more

As far as I can understand, whole blockchain is required for verifying and discarding double-spend transactions. Also, mining empty block is accepted by bitcoin’s blockchain protocol. When we want to mine empty block, we don’t need to validate transactions, because there are no transactions (except block reward) in our empty block. Is it mean, weRead more

My Qt-wallet crashed, so now all I have is my wallet.dat file. Is there a way to upload that to an online wallet so I don’t have to download the entire blockchain again? I’m worried that will take too long and that my laptop won’t have enough storage space.Read more

When i loggin into gmail on android phone apps automatically download (DOWNLOAD NOT UPDATE, they automatically DOWNLOAD) How to stop that.Read more

I have some URLs saved in my database, to download pictures from network cameras. Because each camera has it’s own URL and parameters, we have to store the entire URL in a field in the database. My code gets this URL from the database, creates a WebClient to make the call and downloads the byteRead more