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MoonPay Unveils Wallet Standard for AI Agents

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MoonPay Unveils Wallet Standard for AI Agents

The Open Wallet Standard aims to fill a gap in the rapidly growing agentic payments stack by giving AI agents a universal, non-custodial way to hold funds and sign transactions across blockchains.

MoonPay on Monday released the Open Wallet Standard (OWS), an MIT-licensed, open-source specification that defines how AI agents interact with crypto wallets, including key storage, transaction signing, and cross-chain account derivation, without ever exposing a private key to the agent process or the large language model driving it.

The standard launched with contributions from over 15 organizations spanning payments, exchanges, and blockchain infrastructure, including PayPal, OKX, Ripple, Tron, TON Foundation, Solana Foundation, Ethereum Foundation, Base, Polygon, Sui, Filecoin Foundation, LayerZero, and Circle.

“The agent economy has payment rails. It didn’t have a wallet standard,” MoonPay CEO Ivan Soto-Wright said in a statement.

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The release arrives as the infrastructure for agentic payments is rapidly developing, yet remains fragmented across competing protocols, each assuming agents already have a wallet without specifying how that wallet should work.

As The Defiant reported last week, two protocols are racing to become the foundation of AI payments: x402, backed by Coinbase, and the Machine Payments Protocol (MPP), launched by Stripe and Tempo. Tempo’s payments-focused Layer 1, which went live on mainnet on March 18, shipped with MPP’s “sessions” primitive, allowing agents to set a spending limit upfront and stream micropayments continuously without an on-chain transaction per interaction.

On the same day, Coinbase dropped a significant upgrade to x402, adding support for virtually any ERC-20 token via Uniswap’s Permit2 and new gas sponsorship extensions.

Meanwhile, Visa entered the arena with its own approach. Visa Crypto Labs launched Visa CLI, a command-line interface payment tool targeting AI agent payments, currently in closed beta. And Circle launched Nanopayments on testnet, built on the x402 standard and designed for sub-cent, gas-free USDC transactions for AI agents paying for pay-per-call APIs.

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But as MoonPay frames it, all of these systems share a common assumption: the agent already has a wallet. None defines where the wallet lives, how keys are stored, or how one agent discovers a wallet created by another.

In practice, MoonPay says, this means a user running three different AI tools today could have their funds scattered across three separate wallets with no way to access a unified balance.

How It Works

The Open Wallet Standard is structured as seven sub-specifications covering storage, signing, policies, agent access, key isolation, wallet lifecycle, and supported chains. Each module can be adopted independently.

The core design principle is zero key exposure. Keys are encrypted, decrypted only to produce a signature, held in protected memory that cannot be swapped to disk, and wiped immediately after signing. The private key is never accessible to the agent, the LLM context, or any parent application.

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A single seed phrase derives accounts across eight chain families — EVM, Solana, Bitcoin, Cosmos, Tron, TON, Spark, Filecoin, and XRP Ledger — with a unified signing interface and CAIP-2 chain identifiers.

There’s also a pre-signing policy engine that evaluates every transaction before any key material is touched. Operators can set spending limits, contract allowlists, chain restrictions, and time-bound authorizations. The standard ships with native SDK bindings for Node.js and Python, a CLI, and an MCP server interface compatible with frameworks including Claude, ChatGPT, and LangChain.

The launch positions OWS not as a competitor to x402 or MPP but as a complementary layer. When x402 returns a payment request, OWS produces the signed authorization. When MPP opens a session and streams micropayments, OWS signs each payment within the agent’s authorized limits.

Whether MoonPay’s open standard gains traction will depend on whether competing agent frameworks adopt a shared wallet layer or continue building proprietary key management.

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This article was written with the assistance of AI workflows. All our stories are curated, edited and fact-checked by a human.

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Crypto World

WLFI Risks 20% Drop As World Liberty Financial Faces Insider Allegations

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Donald Trump, Price Analysis, Tech Analysis, Market Analysis, Altcoin Watch

World Liberty Financial’s WLFI token risks dipping 20% in April, according to a mix of convincing technical and fundamental indicators.

Key takeaways:

Bear pennant hints at WLFI dip in April

As of Tuesday, WLFI was consolidating inside a classic bear flag, a continuation pattern that typically forms after a sharp decline.

In technical analysis, a bear flag typically resolves when the price breaks below the lower trendline alongside rising trading volumes and falls by as much as the structure’s maximum height.

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Donald Trump, Price Analysis, Tech Analysis, Market Analysis, Altcoin Watch
WLFI/USDT four-hour chart. Source: TradingView

Applying this classic rule to WLFI’s chart brings its measured downside target to around $0.066 in April, down about 20% from the current price levels.

Conversely, a break below the upper trendline risks invalidating the bear flag setup, with the 20-day (green) and 50-day (red) exponential moving averages (EMAs) at around $0.081 and $0.085 serving as primary upside targets.

Insider activity, token unlock fears add pressure

Beyond technicals, WLFI faces mounting scrutiny that continues to weigh on sentiment.

On-chain data from Arkham Intelligence show wallets linked to the project deposited roughly 3–5 billion WLFI tokens—largely illiquid—as collateral on Dolomite to borrow about $75 million in stablecoins, including USD1 and USDC.

Source: X

Over $40 million was later moved to Coinbase Prime. The position pushed pool utilization to ~93%, restricting withdrawals and drawing criticism for “circular” liquidity extraction.

The structure is risky because it uses thinly traded internal tokens to borrow real liquidity, meaning any sharp WLFI price drop could trap depositors, trigger bad debt, and deepen selling pressure.

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Source: X

At the same time, markets are bracing for a proposed unlock of over 16 billion WLFI tied to still-locked public allocations, raising dilution risks.

Adding to the pressure, Tron founder Justin Sun, who reportedly invested ~$75 million and became an adviser, again accused WLFI of embedding a hidden backdoor blacklisting function in the smart contract.

Related: US President Trump faces renewed backlash as Trump-linked tokens crash

This allegedly allowed the team to unilaterally freeze his wallet/assets without notice or recourse, violating “decentralization” promises.

He called it a trap, denounced “token scandals,” claimed governance votes were rigged/non-transparent and demanded unlocks/transparency.

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