I’m trying to build a good security for my online Bitcoin based application. Is something like this possible? send_bitcoin(address) create_address() sweep_balances() + | | v New transactions +————-+ <—————- +————–+ | | | | | […]

Is it possible to create a wallet service, which doesn’t have all the blockchain downloaded? Like not running a full node itself?

So I’ve created a Paper wallet using bit address.org, and have joined Blockchain.com, but can’t find out how to link the two? Also the strategy I’m using at the moment-till maybe “you” say otherwise, is-I’ve […]

After creating a new NBitcoin transaction (with a single pay-to-script hash input and multiple outputs), is there any way to calculate the transaction signature and manually put it in the inputs[0].ScriptSig, along with other parameters […]

So im trying to create a vanityaddress, which is 1 followed by my 10 chars plus some random chars, no matter how i try i get 9 right out of my chars not the 10th […]

anyone ever had a similar issue where the directory exists but Bitcoin-cli isn’t recognizing it? Perhaps this is related to me setting the folder up as a symlink to my external HDD? Thank you! aaronson […]

I compiled bitcoind using the same steps as last year. In particular I set DB_CONFIG: set_lg_dir database set_lk_max_locks 537000 Unfortunately once I hit block 364,670 (2015-07-10) I’m treated with: EXCEPTION: 11DbException Db::put: Cannot allocate memory […]

TL;DR: Where in this code does the SV client figure out that it’s not processing an ABC blockchain? This image prompted my question. There are a couple different mutually incompatible (I am assuming anyway) implementations […]

In this question What are the advantages of Schnorr vs ECDSA? I see in the Pieter Wuille’s answer the following comment about Schnorr signature batch validation: "Improving verification speed, by supporting batch validation of all […]