Joshua Obafemijorshimayor.hashnode.dev·Nov 13, 2024Algorand’s Pure Proof-of-Stake (PPoS) Consensus MechanismIn the bustling world of blockchain technology, every project seems to promise a revolution. Some claim to be faster, others more secure, and a few emphasize decentralization. Algorand, however, has managed to combine all three with its Pure Proof-of...Discusspure proof of stake
Alexander Codesalexandercodes.hashnode.dev·Sep 23, 2024Building a Code-Sharing DApp with FastHTMLIntroduction FastHTML is a new Python framework for developing interactive web applications. It's based on HTMX, and purportedly "scales down to a 6-line python file, and scales up to complex production apps". I'm excited to see if I can use it to bu...Eldar Ahmadov and 1 other are discussing this2 people are discussing thisDiscuss·10 likes·232 readsfasthtml
Alexander Codesalexandercodes.hashnode.dev·Aug 4, 2024Box Storage in Algorand PythonIntroduction Box storage is akin to a key-value database that smart contracts can manipulate on-chain. An application can create any number of boxes, with each box storing up to 32k bytes of data. 💡 Developer docs: Smart Contract Storage Algorand...Discuss·3 likes·507 readsalgorand
Alexander Codesalexandercodes.hashnode.dev·May 18, 2024Validating Usernames in a Smart ContractIntroduction One of the first challenges in building an application is handling user registration. We often need to allow users to choose their own username, while ensuring that each one is unique. Usernames also usually require validation, with cons...Discuss·1 like·258 readsSmart Contracts
Alexander Codesalexandercodes.hashnode.dev·May 7, 2024Python & Smart ContractsIntroduction The inimitable Chris Kim recently tweeted about data types in smart contracts: https://twitter.com/chriskim_devrel/status/1787001209406251480?ref_src=twsrc%5Etfw And it got me thinking about friction points for onboarding new developer...Discuss·5 likes·238 readsPython
Alexander Codesalexandercodes.hashnode.dev·May 6, 2024Proof of Exclusion: A Smart Contract Bloom FilterIntroduction Smart contracts operate in highly constrained environments. We often need to use clever data structures to achieve particular goals within the confines of the virtual machine. A common requirement is to prove membership of something. For...Discuss·5 likes·213 readsbloom filter
Alexander Codesalexandercodes.hashnode.dev·May 2, 2024Dates, Times, and Property TestingIntroduction The Gregorian calendar is a royal pain in the arse. It was introduced in 1582, as a closer approximation of the solar year. The Gregorian leap year rule is: Every year that is exactly divisible by four is a leap year, except for years t...Eldar Ahmadov and 1 other are discussing this2 people are discussing thisDiscuss·2 likes·133 readsBlockchain
Alexander Codesalexandercodes.hashnode.dev·Apr 21, 2024Building a Personal NFT Marketplace on AlgorandIntroduction In this post, we're going to look at writing a simple smart contract in Algorand Python that allows a creator to list and sell their NFTs. The creator will be able to transfer assets to the application and set a sale price for each item ...Discuss·1 like·264 readsalgorand
Alexander Codesalexandercodes.hashnode.dev·Apr 20, 2024Simulating UTXOs on AlgorandIntroduction There are two main accounting models used in blockchains: the UTXO model and the account model. The former is used by Bitcoin and Cardano; the latter is used by Ethereum, Algorand, and most other blockchains. Let's see if we can use Pyth...Kardo Locksmith and 2 others are discussing this3 people are discussing thisDiscuss·10 likes·239 readsalgorand
Alexander Codesalexandercodes.hashnode.dev·Apr 18, 2024Tokenised Subscriptions on AlgorandIntroduction In this blog post, we'll explore a novel way to implement periodic payments on Algorand. The general idea is to write a smart contract that issues redeemable subscription tokens. Each subscription is represented by a unique asset, and ea...Phyllis Waller and 6 others are discussing this7 people are discussing thisDiscuss·13 likes·351 readsalgorand