Moralis stream is a service that will send a POST webhook to your server with the filtered event from your contract. They have some pre-sets like erc20/nfts but what interests us is the custom events. BEFORE YOU BEGIN Please be advised that presently, their complimentary plan offers an allocation of…

As Daniel checked his laptop one last time his wife, Eliza glared at him with her stunning but cutting blue eyes. He finished typing up an email, pressed send, then turned his laptop off. It was a strange feeling to be separating himself from it even for a short period…

Alot of crypto publications work with freelancers for news. At the moment of writing this post there are A LOT of jobs for ghost writers on upwork ;)) 99%, the motivation of a freelancer in upwork is earn as much as possible for as little effort as possible. How can…

DevOps in web3 consists of best practices that allows legit users to interact with your dapp while blocking malicious users/bots from preventing legit users to do their intent. Most problems arise from bots, hackers, impolite aggregators, scanners. The more popular your project is, the more attention it attracts. Because you’re…

Since I’ve done couple of private blockchains until now, and seen some bad practices here’s a checklist on how to secure them Do you understand that only by decentralization you’re going to keep this private blockchain secure ? Are they all on AWS ? yes: move them to difrent cloud…

http://nanopass.io/ Disclaimer: The information presented in this post is for general discussion purposes only and is not intended to provide legal security guarantees to any individual or entity. Me, my affiliates, partners, subcontractors or employees, or anyone involved in the auditing process cannot, under any circumstances, be held responsible for…

some notes for about the randomization process in OGCats Random number from Chainlink https://dashboard.tenderly.co/tx/polygon/0xde5e65da5017c7cb852ab7e21aaad54ee638f2cae7d68c4cc1697c59f141cc2b/logs 33481218050282424732010044081128699987812287782893023053970080888682140917516 too big to work with, cut it to 18 decimals. shuffle an array from 0–1000 using it as seed. code: package main import ( "fmt" "math/rand" "os" "strconv"…

This article is for my clients, artists and project managers and shows them how to give me the exported art project for NFT generation Here’s what I need A zipped folder called “layers” that contains all layers, each one in it’s own folder with prefix that shows the order of…

Before you begin: You need to have a foundation of things and underestand things like wallets, contract addresses, RPC URL, dapps, gas limit, gas price Before anything you must start with a history lesson A Short History of #Ethereum From a bird's eye view, blockchain technology has not been around for a long time. Though the foundational concepts…consensys.net How does Ethereum work, anyway? Odds are you've heard about the Ethereum blockchain, whether or not you know what it is. It's been in the news a lot…www.preethikasireddy.com