Within NZ Police, there is a Financial Crime Group made ..read more

A neat report on the state of developer activity in the crypto ecosystem. https://www.developerreport.com/developer-report ..read more

Crust Filecoin Proof of Storage Crust node supports the Trusted Execution Environment (TEE) technology. Therefore, it checks the files locally on the node and periodically generates a workload report signed by the TEE. Crust’s local inspection method does not need to introduce the complex zero-knowledge proof, which reduces computational costs and lowers thresholds. Each node periodically provides proof to the network via a zero-knowledge proof based on the file it stores. Proof of Storage Crust’s workload report is much smaller, which decreases the occupation of network resources. Periodic re ..read more

A neat video on the basics of verifying a PGP digital signature using GnuPG on macOS. Relevant for instance if you have a bitcoin donation address on your website and your website gets hacked and the bitcoin donation address is swapped out for the hacker’s bitcoin address ..read more

Note: In version 14.5.1 of Bitpay’s crypto wallet, screenshots can no longer be taken. (This may have been in place for earlier versions). This means providing directions on how to perform certain functions becomes a bit more difficult to do. How to join a shared wallet? Select “Create, import or join a shared wallet” from the home screen of Bitpay. To get to the home screen, click on the house icon at the bottom menu bar. This will provide 3 further options. New Key, Import Key or Multisig Wallet. Select Multisig Wallet and choose “Join a shared wallet”. Then provide your name and your wallet ..read more

Completed my Chainalysis Reactor Certification ..read more

Got my Chainalysis Cryptocurrency Fundamentals Certification today. It was a well written exam and covered a lot of the basic fundamentals of cryptocurrencies. Highly recommend it ..read more

BlockchainsBitcoinAltcoinsLitecoinEthereumCryptocurrenciesPrivacy_coins MiningDifficultyPoolsAntminmerGPUsASIC10_mins CryptographyPublic/Private_keysRSASHA256Hash_FunctionsDigital_SignaturesKECCAK256 ISO/TC_307WG1_FoundationsWG2_Security,privacy&identity WG3_Smart_contracts&_their_applicationsWG5_GovernanceWG6_Use_casesSG_7_Interoperability_of_blockchains TokensTokenomicsInflationBonding_curvesStablecoinsDAOICOIEOTGETGOFungibilityNFT ..read more

To debug a SubQuery project, the –inspect flag of the node command needs to be used. The command is: Eg: This enables the node inspector. Note the small difference between –inspect and –inspect-brk. Then open up the Developer Tools in Chrome and you should see a green icon appear. Clicking on the green icon will open up the DevTools. From here, navigate to the “Filesystem” and add your project folder to the workspace. Then you can add breakpoints and step through your code just like any regular debugger ..read more

Introduction What we will do here is to write a query to list all the transaction for a given Polkadot address as seen in the screenshot below. Pre-requisites Have gone through the SubQuery Hello World exercise. This ensures your environment has all the required applications. Step 1: Run subql init This will set up the scaffolding making everything a lot easier. Step 2: Create a schema The first step is to create your schema file which “defines the shape of your data”. Here we will define 2 entities or objects, Account and Transfer. Step 3: Update the manifest file In the manifest file, we wan ..read more