Vantarix

The Security infrastructure for autonomous onchain agents. Enforcing policy before execution.

[Vantarix @VantarixHQ]

Autonomous agents need more than wallet access. They need enforceable boundaries.

As autonomous systems gain the ability to execute onchain transactions, the security question changes.

It is no longer enough to ask whether a transaction is technically valid.

[Vantarix @VantarixHQ]

As AI-powered purchasing moves into everyday commerce,the infrastructure controlling how funds are spent becomes just as important as the payment itself

At Vantarix, we're focused on transaction-level security preventing unauthorized execution before transactions reach the chain

[Watcher.Guru @WatcherGuru]

JUST IN: OpenAI launches ChatGPT Wallet, allowing its AI agents to buy things for users.

[Vantarix @VantarixHQ]

Vantarix is building an independent execution security layer for this environment.

Our focus is making transaction-level enforcement accessible across the places where onchain agents already operate, without requiring every integration to build its own enforcement system.

[Vantarix @VantarixHQ]

One agent. Three interfaces. The same wallet.

An onchain agent might initiate a transaction through an MCP server, a trading platform or a custom-built application.

The security of that wallet shouldn't depend on which interface the agent happens to use.

[Metraxia @MetraxiaHQ]

SCAM ALERT ⚠️

An account operating as @ShoutoutStock is impersonating @MetraxiaHQ, copying our bio, original posts and mascot Xia.

The account has used this stolen identity to request a token deployment through @bankrbot, resulting in the deployment of $SOUT.

[Vantarix @VantarixHQ]

@_Yachio_ 🫡

[Metraxia @MetraxiaHQ]

We are building for the emerging market of autonomous stock finance.

As tokenized equities become part of onchain markets, portfolio management will require infrastructure designed around the specific characteristics of assets

Metraxia is developing that infrastructure on @base

[Vantarix @VantarixHQ]

@MetraxiaHQ @base Base is the best platform

[Yachio @_Yachio_]

I am building @MetraxiaHQ on @base for Stock Maxxing

On Metraxia you can manage tokenized stock portfolios through autonomous agents.
Set investment mandates that define how your agent can operate.
Enforce stock-aware trading rules before transactions are executed. And much more

[Yachio @_Yachio_]

Imagine an agent managing a smart account with a spending limit of 1 ETH per transaction.

It executes 10 transactions, each worth 0.9 ETH.

Every transaction satisfies the limit.
Yet the account spent 9 ETH.

This is an important distinction in transaction policy enforcement.

[Vantarix @VantarixHQ]

An agent can be intelligent, well-prompted and designed to follow instructions. But none of these should replace execution-level security.

At Vantarix, agents have the freedom to operate within explicitly defined boundaries, with transactions evaluated before they execute.

[Yachio @_Yachio_]

Imagine an agent managing a smart account with a spending limit of 1 ETH per transaction.

It executes 10 transactions, each worth 0.9 ETH.

Every transaction satisfies the limit.
Yet the account spent 9 ETH.

This is an important distinction in transaction policy enforcement.

[Yachio @_Yachio_]

I'm building Metraxia for the Agentic Stock Finance track.

@MetraxiaHQ is focused on making autonomous portfolio management safer through stock-aware execution controls and owner-defined trading mandates.

@buildonbase

[Yachio @_Yachio_]

Well...a spending limit answers how much an agent can spend. It doesn't really determine which contracts it can interact with, which recipients it can send funds to, or which actions should be blocked entirely.
Good news is that @VantarixHQ handles that.

[Vantarix @VantarixHQ]

Short takeaway 📝
Uber governs what its agents are allowed to intend and do. Vantarix independently enforces what those agents are permitted to execute onchain

[Uber Engineering @UberEng]

https://t.co/XFWteI3jUO

[Vantarix @VantarixHQ]

Partnerships and Ecosystem

■ Vantarix contacted GripProtocol to introduce its independent transaction-security approach.

■ Vantarix proposed a @BlockRunAI benchmark comparing agent execution with and without independent transaction enforcement.

[Vantarix @VantarixHQ]

📄 Vantarix Weekly Recap

Company Updates

■ Vantarix submitted its YC application, taking another step toward bringing independent transaction security to autonomous-agents.

Product Development

■ Vantarix mapped out Stage 1.5, outlining the next phase of its infrastructure

[Vantarix @VantarixHQ]

Vantarix explored a hosted MCP layer to make its security capabilities more accessible to agent developers.

■ Vantarix discussed separating the Decision Service into a dedicated repository to establish clearer backend responsibilities and a more maintainable architecture.

[Vantarix @VantarixHQ]

@BlockRunAI How much does the security layer change agent performance?

We need more than benchmarks showing where autonomous agents fail.

We need experiments showing what happens when we give them better security infrastructure.

[Vantarix @VantarixHQ]

@BlockRunAI Agent Money Benchmark found that 7 out of 10 frontier AI models got scammed at least once when handling real money.

I'd love to see this benchmark run again with Vantarix integrated.

Same agents. Same tasks. Same adversarial scenarios.....👇

[Base Insider @BaseInsider_]

📄 @base weekly recap

What happened on @base this week

NEWS
■ @base Base Batches 004 Demo Day is November 18 in NYC. 10 teams, 2 minutes each. 10 Batches teams are heading to the NYC Demo Day.
■ @base Spiko chose Base for speed and low costs to help businesses and individuals put cash to work.
■ @base Stocks Maxxing is open. $100,000 in prizes for a one-month competition to build the next generation of tokenized stock products on Base.
■ @base Card spend on Base grew 14x in one year.
■ @buildonbase Denim is live on Base Mainnet.
■ @CoinbaseBiz Agents can pay for intelligence on MorphLLM with USDC and USDT via Coinbase Business.
■ @base Stripe now supports USDC and OUSD payouts on Base. US businesses can send stablecoin payouts to crypto wallets in 160+ markets.
■ @coinbase Stock options trading is live with zero commissions.
■ @coinbase Agents can trade perps and buy a domain with stablecoin, and users recoup up to 50% of swap fees.
■ @coinbase Deribit perps are live for eligible traders on Coinbase for Agents. Connect an AI platform to research and trade within limits. Non-U.S. only.
■ @coinbase Coinbase Champions Cup starts November 4. Register an agent and trade for a chance to win up to $2M.
■ @CoinbaseDev The Coinbase x402 Facilitator is live on Monad, with 100M transactions and $28M in payment volume behind it.

STATS
■ @base October stablecoin card volumes surpassed $250M+, a new all-time high. Base has the deepest USDC liquidity lending market.
■ @Uniswap Uniswap processed $20B+ in all-time Stock Token volume. Number one across all DEXs.
■ @aeroxyz Momentum Fund bought and staked 243K AERO. Over 200M AERO bought back to date. 233K burned this week via Momentum Fund.
■ @ax1vc AX1 hit 1,000,000 x402 calls in 30 days. #1 on x402scan. All on Base.
■ @TenorFinance Tenor crossed $50M in total deposits.
■ @0xProject 0x Swap API powered over $20B in swaps on Base since launch.
■ @ProjectVEXai VEX agents generated $6.3M in trading volume on Robinhood.
■ @baseposting GOOGLc became the most liquid spot market for trading Google during earnings.
■ @byzanlink Coinbase stock-token DEX volume is past $4.5B cumulative.
■ @twigpine Playground apps reach 685,000 visits across 3,510 apps.
■ @harvest_finance The main EURC lending market sits at 96% utilization.
■ @derivexyz Buyback number 91 is complete, with 149,420 DRV bought back.
■ @midasrwa A record $120M+ in inflows this week, led by $80M+ into mGLO.
■ @VerantaXYZ October was its largest buyback and burn month yet, 5.5M+ total removed from circulation since March.
■ @BlockRunAI 7 of 10 frontier AI models got scammed at least once in the Agent Money Benchmark.
■ @AntSeed A new all-time high of 23.6B daily tokens, 124B tokens in the last week.
■ @blocktronicsxyz Human whales are only 0.33% of AVNT holders on Base.

ECOSYSTEM UPDATE
■ @zothdotio zMAG7 holds seven tokenized stocks in equal weight on Base, each backed 1:1 by real shares.
■ @aeonframework Aeon shipped 25 things in October. Set up an agent in 40 seconds.
■ @umia_finance Umia presented at Base Batches 004 on fundraising with Umia. Focus on pushing capital formation onchain.
■ @byzanlink Earn Pulse Points on every trade of supported US tokenized stocks through Byzanlink RWA Markets. Trade 24/7 on Base.
■ @SurfAIHQ Surf covers tokenized stocks on Base. Ask the AI research agent about holder trends and capital flows, backed by onchain data. Mystery Box campaign is live on Base. Non-U.S. only.
■ @OpenGradient Private AI by default on Dreamfort. Prompts are not used for training.
■ @feeldotcash Portfolio PnL and chart history are live on Feel.
■ @Mochatradeapp First invites are out. Trade US markets from India in rupees. ₹500 credits for early users. Trading is open to its 25,000+ waitlist.
■ @xmaquina BOT-16 proposal is live for a strategic allocation in Sunday Robotics. Voting ends in 72 hours.
■ @twigpine GITLAWB and TWIG merge into one new token, with 100% of trading fees staying with the project.
■ @aeroxyz The newest Slipstream is live

[Vantarix @VantarixHQ]

@BlockRunAI But this time, every proposed transaction passes through an independent policy evaluation and enforcement layer before execution.

Then compare the results.

How many malicious transactions get prevented? How many legitimate tasks still succeed? 👇

[Vantarix @VantarixHQ]

@BaseInsider_ @base What a productive week