At the [core](https://preview.redd.it/wtpa8gw58ri71.jpg?width=680&format=pjpg&auto=webp&s=5f93142d9ce89bac9e3183e673b96a648e27c164) of Elrond is the fastest & most powerful WASM VM.
All the world's developers can use it to build financial products in any programming language & expand DeFi beyond the current “crypto” minority, to everyone, at internet-scale. [\#elrondtech](https://twitter.com/hashtag/elrondtech?src=hashtag_click) 🛠
[This Week In Elrond ](https://preview.redd.it/wtpa8gw58ri71.jpg?width=680&format=pjpg&auto=webp&s=5f93142d9ce89bac9e3183e673b96a648e27c164)
1/ The Maiar Exchange smart contracts already have a second major release candidate, that includes automatic harvesting when merging tokens, frontrunning protection, multi-hop swaps, and enhanced oracles. Several audits & reviews were performed.
2/ NFT’s: fixes to marketplace SC events, embedding the ability to display NFTs history into the NFT service, and adding an Attributes Mapper in the Rust Framework for the situations when NFT attributes are stored in a SC. Account NFT API endpoint performance optimizations.
3/ Smart Contracts framework: finished redesign of the managed types, together with the serializer; also created a serialization component directly available for SC developers for manual conversions. Refactoring & cleanup in the framework code.
4/ Other notable achievements: - Continued work on DEXv2 SCs - Improved exception handling & user NFTs requests in Maiar Exchange service - Extracted metrics for the first week of Maiar Exchange public testing
5/ - Continued implementation for events handling for Maiar Exchange service - Release of elrond-wasm 0.18.2, which offers access to 2 more Arwen crypto hooks - Fixed an Out Of Memory bug regarding opened-but-never-closed snapshots persisters
6/ - Testnet release T22.214.171.124 containing the latest fixes & features - Advancements on the r...