Thread by @radu_chis

The proliferation of AI tools is slashing the time & costs of producing content, inevitably growing the challenge of verifying authenticity.

Embedding token balances at account level, @MultiversX acts as a search engine for data sovereignty.

Weekly #multiversxtech 🛠️

1/ Released Polaris Patch - v1.4.16 mainnet upgrade which addresses an error treatment refactor for wrong usernames used in transactions.

The full release notes are published here:
multiversx.com/releases/relea…

2/ Enabled transferability between wallets for XMEX. A dedicated Escrow SC has been deployed to allow users to send single and multiple positions of XMEX, withdrawable after a 30-31 day period.

3/ Finished the integration of EI checker for SCs in the meta crate, which checks whether or not a contract is compatible with the current version of the VM.

4/ Other notable achievements:

- Improved mechanism which requests missing cross shard mini blocks with destination in self shard
- Fixes for new state/trie features that are in development
- Generate NFTs and auctions with multisig

5/ - Bug fixes on caching
- Significant async call refactorings for ESDT transfers and callbacks on both VM and Node after new tests
- Web: xFabric auctions testing, xExchange new liquidity page testing, MultiversX Wallet validate page

6/ - API
- testing on split mdk-nestjs-sdk (include plugins, MultiversX API)
- testing on github migration / identities assets
- add support for EGLD token filter on /transfers
- xExchange API upcoming PR's testing

7/ - Guardians API playbooks and pipelines
- Concurrency testing and fixes for the node's key-value storers
- Starting the task for repopulating the node's tokens supplies database if a certain CLI flag is set
- Testing and refactoring

8/ - Improved the code coverage on API package
- TCS:
- small config refactor, extracted common variables for leveldb and mongodb setups
- removed the native authentication from /sign-transaction and /sign-multiple-transactions API routes, for easier further integration

9/ - Cifra API playbooks and pipelines
- Continued implementation of sovereign chain block processing with shard headers notarization in validator’s side
- Testing and bug-fixes transaction execution order component

10/ - zK research
- Ledger Nano update to latest Stax libraries + finalize the integration of guardians support
- Shadow fork epochs fast forwarder
- Bughunt + testing invalid username

11/ - Worked on KYC Service
- Guardians testing, updated guardian service specs & integration meetings
- Started mx-sdk-py-exchange integration for boosted staking
- Tests & trials on new mx-sdk-py-exchange features

12/ - Testnet T1.5.2.0 and devnet D1.4.16.0 releases
- Python notebooks for manual integration with several xExchange contracts
- Fixed the transaction simulation component assembly, testing underway
- Preparing system tests for VM Promises (still work-in-progress)

13/ - Tests on proxy-dex upgrade
- Added a debugging component to monitor the number of concurrent VM queries executed by an observer
- Preps for automatic deployment of DEX project launch contracts

14/ - Sovereign node runner
- Released SC framework 0.40.0 that contains a fix for a call value caching issue
- Management & update of SC composability tests
- Started integrating sovereign notifier into node

15/ - Rosetta / deep history chores
- Bugfixes on SCR sorting, ensuring order of execution in cross shard SCR miniblocks
- Fixed edge cases on scheduled SCRs when bootstrapping the node
- Technical specifications for two new safePrice models for xExchange contracts

16/ - Trust wallet core adjustments for guarded transactions
- Sorting and grouping of sovereign incoming mbs by sender shard
- Preparations for integration of validator identities in mx-assets repository
- Mxpy localnet: further progress and changes for v7

17/ - Implemented a new safe price algorithm for the Pair SC so that projects can build on top of xExchange pairs more safely
- Final tests and deployment for refactored node & validator identities in API service
- Sdk-js improvements, work in progress

18/ “Stay Hungry Stay Foolish” and tune in soon for more of the #multiversxtech which powers the @MultiversX ecosystem.

Check out our progress & get involved 📷github.com/MultiversX