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Talk Crypto Blog » How to check your SubQuery node health?
There are two URL resources available to check your SubQuery node health. They are:/meta /healthThese commands are for Indexers running their own nodes and looking to get some base node stats./metaTo access node metadata endpoint, add /meta to the end of your SubQuery node url. For example:http://lo
Talk Crypto Blog » Blockchain word cloud references
BlockchainsBitcoinAltcoinsLitecoinEthereumCryptocurrenciesPrivacy_coinsMiningDifficultyPoolsAntminmerGPUsASIC10_minsCryptographyPublic/Private_keysRSASHA256Hash_FunctionsDigital_SignaturesKECCAK256ISO/TC_307WG1_FoundationsWG2_Security,privacy&identity WG3_Smart_contracts&_their_applicationsWG5_Gover
Talk Crypto Blog » How to list all transactions for a given address in SubQuery
IntroductionWhat 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-requisitesHave gone through theSubQuery Hello Worldexercise. This ensures your environment has all the required applications.Step 1: Run subql initThis wi
Talk Crypto Blog » How to verify PGP digital signatures?
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.
Talk Crypto Blog » How does the Subquery dictionary work?
To understand what the SubQuery dictionary is and how it works, it is important to understand what SubQuery is and how it works. If you already have an understanding, feel free to skip this step.What is SubQuery?SubQuery is a project that provides an SDK for developers to easily extract data from Su
Talk Crypto Blog » How to join a shared wallet in Bitpay?
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
Talk Crypto Blog » Debugging SubQuery project with debugger
To debug a SubQuery project, the –inspect flag of the node command needs to be used.The command is:node --inspect-brk <path to subql-node> -f <path to subQuery project>Eg:node --inspect-brk /usr/local/bin/subql-node -f ~/Code/subQuery/projects/subql-helloworld/This enables thenode inspector. Note th
Talk Crypto Blog » A chat with Alex Sims
Here I catch up with Alex Sims, an Associate Professor in the Department of Commercial Law and a Research Fellow at the UCL Centre for Blockchain Technologies. She teaches a wide range of commercial law subjects. Her primary areas of research and publication are on blockchain technology, in particul