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Consider transaction 0846e91bc3afdf2275db14bcbb10e19f141069d77f17dae6bcbd907fd28f4747, which takes money out of the script address 3PJQGGnBQr8DJBdPYowd6Mp2kSWvFFo7Gk. As we can see in the input scripts, this script address references script 51210261afd7a2796e9bb83896089293f11edd2987ebbd67ed2075f5e45b7c4bb7edcb51ae, which, according to the decodescript command, is “asm”: “1 0261afd7a2796e9bb83896089293f11edd2987ebbd67ed2075f5e45b7c4bb7edcb 1 OP_CHECKMULTISIG”, “reqSigs”: 1, “type”: “multisig”, “addresses”: [ “1xW3APNVG6Ro1HY8hysmnKq8mvgVk6oPU” ], “p2sh”: “3PJQGGnBQr8DJBdPYowd6Mp2kSWvFFo7Gk” So this payment was made to anyoneRead more

I have an old blockchain wallet that is worth trying to salvage It seems the old password that the 18 word mnemonic originally had isn’t working and another password I had listed also doesn’t work. I used their tool and it shows the original password. I also have the wallet backup json file. I haveRead more

I’m running pre-release version d8dad7 of Electrum that supports BIP-84 HD derivations. When exporting private keys, I’m getting WIF keys that are different from the expected output generated by bx or iancoleman.io/bip39. Example Create a new Electrum wallet by importing the mnemonic tumble mistake gift ill hungry chunk suggest limit artwork filter peanut exhaust withRead more

We have a SQL Server 2008 database that has some old tables and stored procedures that need to be dropped. We want to keep the newer tables, but just clean up the old no longer used objects. My task is to build and check in a script that will do the drops, so my leadRead more

We are looking for a coder/expert who understands the interplay of DRM systems with SIM CARDS AND DATA CARDS on MOBILE devices. Please contact me at ceo at smartmetric dot comRead more

Windows systems typically have three control keys: Control, Alt, and the Windows key. Mac systems have Command ⌘, Option/Alt, and Control. There is historical precedent for a system having even more control keys. Does Android expect, or is it designed for, a specific set of control keys? This question occurred to me after trying toRead more

Is it possible not to load private keys for the wallet on a Full Node and sign the TXs elsewhere, then broadcast signed TXs from the Node?Read more

This is the situation: I’m using Postgres 9.6 and had to migrate the database to a new server. This database is quite small, about 18MB in 25 tables but most of the records must be pulled in one query with 11 joins. In the old server, everything was working well but after the migration andRead more

I am reading a data analysis paper on bitcoin, and there is a phrase I do not get: We use the Bitcoin transaction data set obtained from Stanford Network Analysis Project. All Bitcoin transactions are documented in a public ledger and are in the currency unit called the Bitcoin(BTC). The data set contains all BitcoinRead more

I created wallet in BitPay. I have public and private keys. Then I created wallet in Electrum using existing private key. Now wallet in electrum has other public key than in BitPay but the same private key. Is it ok? Addresses generated in one application can be visible in second one? Where can I readRead more