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Latin American cross-border payment app El Dorado completes $9 million Series A funding, led by Paradigm

: Latin American cross-border payment app El Dorado has completed a $9 million Series A funding round, led by venture capital firm Paradigm, with participation from Coinbase Ventures and Verda Ventures. The company stated that its current key growth paths include "non-mainstream payment corridors" such as Brazil and Bolivia. It is already operating in 12 countries, covering markets including Argentina, Brazil, and Colombia, with over 100,000 active users and 5 million processed transactions.Additionally, El Dorado has launched a cross-border payment product for enterprises, incorporating multi-signature and multi-organization architecture, and integrating stablecoin and fiat channels. It operates on a Layer 1 network supported by Tempo, primarily serving real trade scenarios such as electric vehicle imports. (The Block)

Polymarket Accuses Kalshi of Industrial Espionage, Citing "Too Many Coincidences" in Product Launches

Odaily News Prediction market platform Polymarket believes competitor Kalshi may have engaged in industrial espionage targeting its New York office and employees. Polymarket's marketing head confirmed the company is conducting an internal investigation, stating there are "too many coincidences" and suspecting Kalshi of malicious intent.According to reports, Polymarket has internally compiled a file named "The Imitators," documenting approximately a dozen suspicious incidents. These include Polymarket's original plan to launch a free grocery pop-up event on February 12, while Kalshi launched a similar event approximately nine days earlier. Additionally, Polymarket was scheduled to announce its perpetual contract product plans on April 21, but about an hour before the announcement, tech media outlet The Information reported that Kalshi was also preparing to launch a similar product.Polymarket employees are also concerned that the office of venture capital firm Paradigm, which supports Kalshi, is located directly opposite their workspace, potentially allowing for monitoring of employees' computer screens. It is reported that Polymarket installed window film on some office windows this spring.In response, a Kalshi spokesperson denied all allegations, calling Polymarket's suspicions "pathetic and bordering on delusional." (New York Post)

Paradigm announces open-sourcing its self-developed AI Agent Centaur, stating it has completely transformed the fund's workflow

OdailyOdaily Planet Daily News Paradigm officially announced the open-sourcing of Centaur, a multi-user collaborative, secure, self-hosted AI Agent Runtime co-developed by Paradigm and Tempo.Paradigm stated that since January of this year, the fund has been using Centaur internally, and it has completely changed the team's working methods, covering various task scenarios such as investment, engineering, design, recruitment, events, and customer service.Centaur can be understood as a "shared Agent" that can call tools, run continuously for hours or even days, continue working after system restarts, and use real credentials to complete operations without ever touching raw secrets. Users can interact with it via Slack or call it through an API.

Bitwise CIO: Privacy Could Be the Next “Killer App,” Arc, Canton, and Tempo Exceed $1 Billion in Total Funding

Bitwise Chief Investment Officer Matt Hougan stated that privacy is becoming a core infrastructure direction for the next phase of the crypto industry. Recently, three institutional-grade blockchains focused on stablecoins and asset tokenization—Arc, Canton, and Tempo—have accumulated over $1 billion in total funding, indicating a rapidly growing demand from institutions for "privacy-friendly on-chain financial systems."Among them, stablecoin issuer Circle contributed $222 million in funding for Arc, giving it a valuation of approximately $3 billion; Digital Asset’s Canton blockchain is reportedly seeking $300 million in funding at a $2 billion valuation; and Tempo, backed by Stripe and Paradigm, has previously completed $500 million in funding at a valuation of $5 billion.Hougan noted that this funding wave reflects three major trends: the gradual clarification of the U.S. regulatory framework, increased institutional demand for on-chain privacy, and intensified competition among new blockchain networks supported by large enterprises. Current public blockchains still face structural trade-offs between speed, cost, security, and privacy. However, scenarios involving stablecoins and RWA tokenization require systems that simultaneously offer high performance, compliance, and privacy, making “verifiable privacy” a critical prerequisite for institutional adoption of on-chain finance.Hougan further stated that, for enterprises, “all transactions being publicly broadcast” is not an advantage but a potential flaw. In the future, users and institutions may find it increasingly difficult to accept a fully transparent on-chain financial environment. He believes that privacy capabilities could become the “killer app” driving the crypto industry into its next phase of mainstream adoption. Additionally, following the passage of the U.S. Genius Act in 2025, regulatory certainty has significantly increased, providing a clearer policy foundation for institutional funds to enter the crypto infrastructure space. (CoinDesk)

Paradigm researcher proposes timestamp escape mechanism to protect early Bitcoin from quantum computing threats

Paradigm researcher Dan Robinson proposed a new scheme called PACT (Prove Address Control with Timestamp), aimed at protecting long-dormant Bitcoin, including Satoshi Nakamoto's early addresses, from future quantum computing attacks.The mechanism allows users to prove control over an address via a timestamp without transferring assets or exposing on-chain activity. Should a future quantum attack occur, assets can be recovered based on this proof within a quantum-resistant version of the Bitcoin network.Compared to mandatory migration schemes such as BIP-361, PACT avoids the privacy exposure issues caused by proactively transferring assets, offering long-term holders a more flexible proactive protection path.

Paradigm-Backed Project Succinct Launches Anti-AI Spoofing Camera App ZCAM

Succinct Labs, backed by Paradigm, has launched the iPhone camera app ZCAM, which uses cryptographic technology to generate a "digital fingerprint" for photos and videos, addressing the risk of forgery brought by AI-generated content (AIGC).ZCAM can sign images at the moment of capture, creating an immutable record and binding the content to the capture device. This allows users to independently verify whether the footage comes from a genuine device, has been tampered with, or was generated by AI.Unlike solutions that rely on AI detection, Succinct chooses to start at the device hardware level, generating a unique cryptographic signature for each shot. The company states that existing AI detection tools are prone to failure, whereas this approach enhances the reliability of authenticity verification.Similar projects include World, which reduces risks by distinguishing between real people and AI identities.

U.S. food delivery platform DoorDash is collaborating with Tempo to explore paying delivery personnel in stablecoins.

According to Fortune, Tempo—a blockchain project backed by Stripe and Paradigm—has launched “Stablecoin Advisory” services to support enterprises and financial institutions in adopting stablecoins, including identifying suitable use cases and deploying engineers to assist with stablecoin integration. The report states that DoorDash is collaborating with Tempo to explore paying delivery personnel in stablecoins; Stripe, Coastal Community Bank, and ARQ are also building stablecoin infrastructure on Tempo’s platform, while Visa, OnePay, Felix, Fifth Third Bank, and Howard Hughes Holdings are integrating their payment operations with Tempo.

Tempo’s Launch of “Zones” Feature Sparks Privacy Controversy; Enterprise-Grade Stablecoin Privacy Solution Criticized for Centralization

According to Cointelegraph, Tempo—a payment-focused Layer-1 public blockchain backed by Stripe and Paradigm—recently launched its new “Zones” feature, enabling enterprises to conduct stablecoin transactions within permissioned environments while maintaining interoperability with public-chain liquidity. This functionality is primarily targeted at use cases such as payroll distribution, fund management, and B2B settlements. However, the feature has drawn criticism from industry observers due to its operator-centric design. Each Zone is controlled by a single operator who can view all transaction data and has the authority to suspend users’ transfer or withdrawal privileges in accordance with compliance requirements. Critics argue that this introduces a trust assumption akin to that of centralized exchanges, thereby deviating from blockchain’s core trustless principle.

Visa, Stripe, and Zodia Custody Become Early Validators of the Tempo Payment Blockchain

According to The Block, Visa, Stripe, and Zodia Custody—a digital asset custody firm backed by Standard Chartered Bank—have become the first validators on the Tempo payment blockchain. Tempo is an Ethereum-compatible Layer 1 blockchain designed specifically for high-throughput payments and stablecoin settlement, primarily targeting large institutions. Validators are responsible for verifying, ordering, and finalizing on-chain transactions, and are typically mature organizations with global operational capabilities. Tempo was incubated by Stripe and Paradigm, launched its private testnet in September 2025, and closed a $500 million Series A funding round in October at a valuation of approximately $5 billion. Recently, Tempo introduced its “Agent Payments” protocol—executed by AI agents—and has attracted infrastructure integrations including RedStone.