Efi Pylarinou

Efi Pylarinou

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Independent advisor on blockchain and FinTech policy [cite: 19].

Treasury Unveils AI Lexicon and Risk Framework for Finance
SocialFeb 23, 2026

Treasury Unveils AI Lexicon and Risk Framework for Finance

Risk says "model risk." Tech says "ML system." Compliance says "automated decision tool." Legal says "algorithm." US Treasury just fixed this: AI Lexicon + Risk Framework for financial services. 230 control objectives. NIST-adapted. "Treasury releases AI lexicon and sector-specific risk framework"...

By Efi Pylarinou
Deutsche Börse's Allfunds Deal Fuels Tokenization Ecosystem
SocialFeb 23, 2026

Deutsche Börse's Allfunds Deal Fuels Tokenization Ecosystem

Deutsche Boerse's record deal for Allfunds sends shares higher https://t.co/CzVp47tiwL It is an ecosystem play for a Tokenized future. My analysis https://t.co/GcECatMsVJ https://t.co/V39EtHorCX

By Efi Pylarinou
AI Agents Prompt Search for Finance's True North Star
SocialFeb 22, 2026

AI Agents Prompt Search for Finance's True North Star

[Sunday Muses] Agentic Banking is upon us. But where is Finance going? As AI agents begin to act autonomously inside financial systems, Dave & Dharm are poking us to Demystify Finance by asking the question: What is Finance's true North...

By Efi Pylarinou
Oracle Hack Triggers $1M Payout; Vitalik Profits $70K
SocialFeb 21, 2026

Oracle Hack Triggers $1M Payout; Vitalik Profits $70K

The Polymarket oracle issue highlighted by Vitalik Buterin Oracle disaster: Russia-Ukraine market bet on city control. Oracle = ISW's X account maps. Account got hacked, fake map showed Russian control of train station, triggered $1.3M in payouts at 33,000% returns. One...

By Efi Pylarinou
Post‑mining Bitcoin Relies on Fees for Security
SocialFeb 20, 2026

Post‑mining Bitcoin Relies on Fees for Security

What Happens After All Bitcoins Are Mined by @freedx The critical question post-2140: can transaction fees alone sustain network security? Bitcoin's design bet: as adoption grows, fee revenue naturally replaces block rewards. High congestion periods and their fee spikes are a live...

By Efi Pylarinou
Klarna Hits $1B, Doubles Users, yet Stock Plunges
SocialFeb 20, 2026

Klarna Hits $1B, Doubles Users, yet Stock Plunges

Klarna just posted its first $1B revenue quarter, successfully doubling its banking users to 15.8 million. The pivot from a pure BNPL provider to a global digital bank is underway. But Wall Street just handed them a massive 27% stock drop....

By Efi Pylarinou
Policy-as-Code Guardrails Preempt AI Compliance Violations
SocialFeb 20, 2026

Policy-as-Code Guardrails Preempt AI Compliance Violations

Agentic AI Gating Layer: Policy-as-Code = gating layer for agentic AI Controls AI actions by: Separating free-form reasoning (AI decides) from allowed execution (policy permits) Improving auditability (clear what AI can/can't do) Preventing compliance violations before they happen Guardrails, not post-incident cleanup. 📰 Intelligent compliance for...

By Efi Pylarinou
Stripe's Bridge Secures First Step Toward Nationwide Stablecoin Charter
SocialFeb 19, 2026

Stripe's Bridge Secures First Step Toward Nationwide Stablecoin Charter

Stripe's Stablecoin Firm Bridge Wins Initial Approval of National Bank Trust Charter Joins Circle, Ripple, BitGo, Paxos, Fidelity Digital—all got conditional OCC approval Dec 2025. Anchorage Digital (2021) remains only crypto firm with finalized charter. National charter = operate across all...

By Efi Pylarinou
Deutsche Börse's €5.3B Allfunds Deal Creates Integrated DMI
SocialFeb 19, 2026

Deutsche Börse's €5.3B Allfunds Deal Creates Integrated DMI

Deutsche Börse is acquiring Allfunds for €5.3B, marking the largest infrastructure deal of 2026. Advancing towards a vertically integrated Digital Market Infrastructure (DMI). From clearing to owning the digital ledger of the entire fund lifecycle. Deutsche Börse Group and Allfunds Group Sign...

By Efi Pylarinou
Ethiopia Deploys Real-Time National Payment Switch
SocialFeb 17, 2026

Ethiopia Deploys Real-Time National Payment Switch

Ethiopia Launches National Instant Payment System with Swiss BPC In a leap for African fintech, Ethiopia has launched its instant payment switch built on BPC’s SmartVista. The system enables 24/7 transfers and QR payments across all banks, providing the "Real-Time Rail"...

By Efi Pylarinou
AI Agents Drive Traffic Surge, Prompt New Security Controls
SocialFeb 16, 2026

AI Agents Drive Traffic Surge, Prompt New Security Controls

As AI Agents Take on Tasks in the Real World, New Risks Emerge By 2026, human website visits drop 20% while machine-initiated traffic surges 40%. Zero-click economy emerging where personal AI negotiates on your behalf. Banks must authenticate agents, not just...

By Efi Pylarinou
Invisible Wallets Enable Seamless Crypto Adoption for Fintechs
SocialFeb 16, 2026

Invisible Wallets Enable Seamless Crypto Adoption for Fintechs

The "Invisible Wallet" Era Para @get_para launches API to make blockchain wallets "invisible" for fintechs. Translation: Users will move value on-chain without ever knowing they're "using crypto rails" Mass adoption actually happens through abstraction. A stablecoin story for now.🔗 https://t.co/Z04QtauE1A

By Efi Pylarinou
CFOs Embrace Agentic AI for Strategy, Shy From Treasury Risks
SocialFeb 15, 2026

CFOs Embrace Agentic AI for Strategy, Shy From Treasury Risks

How Agentic AI Went From Zero to CFO Test Runs in 90 Days survey by @pymnts https://t.co/6MXgAdb3Fx Enterprise CFOs in the US are interested in using agentic AI for strategic planning, but cautious about using it for treasury, risk and compliance. https://t.co/2NioUOuMrE

By Efi Pylarinou
First‑Party Data Powers New AI‑Driven Revenue Streams
SocialFeb 14, 2026

First‑Party Data Powers New AI‑Driven Revenue Streams

How First-Party Data Is Becoming a New Revenue Engine in the Age of AI 🤖 https://t.co/9tqx5wEeF0 https://t.co/wg7i7liZrp

By Efi Pylarinou
Tokenized Gold Projected to Reach $6 Billion by 2026
SocialFeb 13, 2026

Tokenized Gold Projected to Reach $6 Billion by 2026

5 Key Takeaways from Tokenized Gold & Blockchains Commodities Reach USD6 Billion in Value by 2026 - Pintu News https://t.co/SWovTwp0E6 https://t.co/LK3yE6xBVK

By Efi Pylarinou
Coinbase Q4 Loss; Stablecoins, Base Drive Resilience
SocialFeb 13, 2026

Coinbase Q4 Loss; Stablecoins, Base Drive Resilience

Coinbase Reports Q4 Miss With $667 Million Loss Amid Bitcoin Retreat - Decrypt https://t.co/KFPOLVonmp - Stablecoins & subscriptions are the “shock absorbers when trading cools.” - Growing the Base ecosystem is the focus. https://t.co/0wECew67eY

By Efi Pylarinou
Fake AI Chrome Extensions Steal Credentials From 300K Users
SocialFeb 13, 2026

Fake AI Chrome Extensions Steal Credentials From 300K Users

🚨 Fake AI Chrome extensions with 300K users steal credentials, emails | Cybersecurity Here are the Extensions: 1️⃣ AI Sidebar (gghdfkafnhfpaooiolhncejnlgglhkhe) – 70,000 users 2️⃣ AI Assistant (nlhpidbjmmffhoogcennoiopekbiglbp) – 60,000 users 3️⃣ ChatGPT Translate (acaeafediijmccnjlokgcdiojiljfpbe) – 30,000 users 4️⃣ AI GPT (kblengdlefjpjkekanpoidgoghdngdgl) – 20,000...

By Efi Pylarinou
Oracle Deploys Agentic AI for Retail Banking Operations
SocialFeb 12, 2026

Oracle Deploys Agentic AI for Retail Banking Operations

Oracle bets big on agentic AI for retail banking: pre-built agents for credit decisioning, collections, compliance—human-in-the-loop governance at the core. Hundreds more agents planned in 12 months. Oracle launches Agentic AI platform for retail banking https://t.co/Rdq57xCcOd https://t.co/UjiB7TV4tX

By Efi Pylarinou
Grab Buys Stash to Import US AI Wealth Regulator Moat
SocialFeb 12, 2026

Grab Buys Stash to Import US AI Wealth Regulator Moat

The Reverse Expansion: East Acquires West 🔄 Singapore's Grab is buying U.S. fintech Stash for $425M — not for the users, but for the AI Money Coach: an SEC-regulated, auditable AI wealth advisor with $5B+ AUM. Super-apps are now importing American regulatory...

By Efi Pylarinou
Stripe Eyes $140B+ Tender Offer Valuation
SocialFeb 10, 2026

Stripe Eyes $140B+ Tender Offer Valuation

Stripe is in talks to launch a tender offer that could value the payments company at more than $140 billion, Axios Pro has learned from multiple sources. https://t.co/ZdKZhv7qn6 https://t.co/uSM0o6lKUo

By Efi Pylarinou
Hong Kong's First Yield‑Bearing RWA Stablecoin Goes Live on Avalanche
SocialFeb 10, 2026

Hong Kong's First Yield‑Bearing RWA Stablecoin Goes Live on Avalanche

Fosun Wealth’s Asian Yield-Bearing RWA Stablecoin Finds Its Home on Avalanche https://t.co/na0QP4gUl5 FinChain and ChinaAMC just launched Hong Kong's first yield-bearing RWA stablecoin (FUSD) on Avalanche enabling institutional liquidity on-chain today. https://t.co/5HDATqXC0e

By Efi Pylarinou
South Korean Exchange Mistakenly Sends $43B Paper Bitcoin
SocialFeb 10, 2026

South Korean Exchange Mistakenly Sends $43B Paper Bitcoin

South Korean Crypto Exchange Accidentally Gave Away $43 Billion Worth of Paper Bitcoin 😲 Source: https://t.co/lPGnMSdHAO https://t.co/gUs3bb70KS

By Efi Pylarinou
FinTech Funding Soars: Over $1 B Raised in February
SocialFeb 9, 2026

FinTech Funding Soars: Over $1 B Raised in February

February FinTech funding off to flying start with over $1bn raised https://t.co/2EDie8Yh7q $1.02bn raised across 29 rounds. Past two-weeks Fintech funding topped $2.3bn.

By Efi Pylarinou
IDEAL's A2A Shift Powers Pan‑European Payment Sovereignty
SocialFeb 9, 2026

IDEAL's A2A Shift Powers Pan‑European Payment Sovereignty

iDEAL to phase into Wero starting in 2026 Strategic implications: Account-to-account payments (A2A) eliminating card network intermediaries. iDEAL processes 1.5B transactions annually with 100% Dutch consumer reach—now gets pan-European scale. Payment sovereignty meets network effects https://t.co/Qmf2G62B8k

By Efi Pylarinou
China Clamps Down on RWA Tokenization, Offshore Yuan Stablecoins
SocialFeb 9, 2026

China Clamps Down on RWA Tokenization, Offshore Yuan Stablecoins

China tightens stance on RWA tokenization and offshore yuan stablecoins, reiterates crypto ban https://t.co/0fTIJyHi7z https://t.co/P9fjIsMyex

By Efi Pylarinou
Institutions Favor Ripple’s Integrated Stack; DeFi Chooses Flexibility
SocialFeb 9, 2026

Institutions Favor Ripple’s Integrated Stack; DeFi Chooses Flexibility

Will the vertical integration (Ripple closed loop model - stablecoin + settlement layers) or horizontal distribution (Paxos/Circle model) dominate institutional adoption? Institutions might prefer the seamless Ripple stack, but developers and DeFi protocols favor the flexibility of multi-chain stablecoins.

By Efi Pylarinou
Crypto.com Founder Acquires AI.com in Record Domain Deal
SocialFeb 9, 2026

Crypto.com Founder Acquires AI.com in Record Domain Deal

Crypto. com Founder Buys AI. com in ‘Largest Domain Purchase in History’ Source: https://t.co/pUfyJusXXV https://t.co/ZLZbq1buMF

By Efi Pylarinou
NYSE Builds Own Blockchain, Seizes Tokenized Securities Lead
SocialJan 20, 2026

NYSE Builds Own Blockchain, Seizes Tokenized Securities Lead

NYSE tokenised securities platform New York Stock Exchange building native blockchain infrastructure for tokenized securities. Not partnering with crypto platforms - owning the stack. Traditional finance claiming on-chain territory before crypto-native players dominate. Infrastructure land grab accelerating https://t.co/UnfYczgDRl

By Efi Pylarinou
Senate Allows Activity Rewards, Bans Passive Stablecoin Yield
SocialJan 18, 2026

Senate Allows Activity Rewards, Bans Passive Stablecoin Yield

📍Senate unveils new draft bill: stablecoin reward Senate draft clarifies stablecoin rewards debate: ⛔️ Platforms CANNOT pay yield just for holding stablecoins (protecting bank deposits), but ✅ CAN offer activity-based rewards for trading, staking, providing liquidity, or loyalty programs. The compromise...

By Efi Pylarinou
Coinbase Abandons Market‑structure Bill, Fracturing Crypto Lobbying Unity
SocialJan 16, 2026

Coinbase Abandons Market‑structure Bill, Fracturing Crypto Lobbying Unity

Coinbase pulls support from crypto market structure bill Policy pivot: Coinbase deciding regulatory status quo better than codified framework. Implications for crypto industry - unified lobbying front collapsing. Does this strengthen or weaken path to comprehensive legislation? https://t.co/moOU63OeQc

By Efi Pylarinou
HK and Shenzhen Forge Cross‑Border Fintech AI Hub
SocialJan 16, 2026

HK and Shenzhen Forge Cross‑Border Fintech AI Hub

Hong Kong + Shenzhen planning deeper fintech & AI cooperation to build world-class fintech hub. ‣ Shenzhen financial institutions → fintech subsidiaries in HK ‣ Cross-border data corridor (banking/finance) within 1-2 years ‣ Tap HK capital markets https://t.co/rbQCsgMhxQ

By Efi Pylarinou
Banks Deploy AI Agents, Yet Governance Still Lagging
SocialJan 15, 2026

Banks Deploy AI Agents, Yet Governance Still Lagging

57% of banks expect AI agents in risk/compliance. 56% in credit/KYC. But nearly half are still creating roles to supervise them. Governance chasing deployment. https://t.co/5M2Opq6LQC https://t.co/QLL4lGpUqf

By Efi Pylarinou
Q4 Wins Global AI Award for Finance Innovation
SocialJan 15, 2026

Q4 Wins Global AI Award for Finance Innovation

Q4 @q4tweets wins AI in Finance & Banking category in Global AI Awards Q4, the investor relations (IR) platform offering AI-powered tools for earnings communications, investor targeting, sentiment analysis. Corporate finance functions getting agentic capabilities https://t.co/6a7IvPvaGJ

By Efi Pylarinou
10% Cap Threatens Access, Fuels Predatory Lending
SocialJan 15, 2026

10% Cap Threatens Access, Fuels Predatory Lending

The 10% credit card cap has split financial services. Fintechs see opportunity. Banks see disaster. But here's what I see from outside the US: → Displaced borrowers won't all find better alternatives. Many will end up with payday lenders at 400% APR. → American...

By Efi Pylarinou
Superhuman Adds Saifr AI for Compliant Finance Email
SocialJan 14, 2026

Superhuman Adds Saifr AI for Compliant Finance Email

Superhuman to Integrate Saifr's AI Agents to Support Scalable Compliant Enterprise Communication in Financial Services Perfect pairing: Superhuman's email productivity meets Saifr's compliance-native AI (Fidelity Labs origin). Financial services firms need AI that doesn't just write emails - needs to understand...

By Efi Pylarinou
Wealthfront Stock Tumbles Amid Self‑dealing Mortgage Partnership
SocialJan 14, 2026

Wealthfront Stock Tumbles Amid Self‑dealing Mortgage Partnership

Wealthfront's shares nosedive after tepid flows and stark revelation that its CEO owns the bank at heart of robo-advisor's mortgage future Wealthfront stock crashes: CEO owns bank powering robo-advisor's mortgage strategy. Conflict of interest revelation + weak flows = investor exodus....

By Efi Pylarinou
Tech Roles Now Dominate UK Finance Hiring, up 12%
SocialJan 13, 2026

Tech Roles Now Dominate UK Finance Hiring, up 12%

Software and tech roles now claim 16% of finance vacancies—edging out investment management and banking at 15% each. The hiring signal is clear. AI and tech skills drive 12% rise in finance job vacancies in 2025 in the UK. https://t.co/SZximqlQwW https://t.co/p4haTYDTHh

By Efi Pylarinou
Nation‑state 51% Attack Could Cost $71B on Ethereum
SocialJan 13, 2026

Nation‑state 51% Attack Could Cost $71B on Ethereum

Bank of Italy: What if TradFi adopts Ethereum but ETH collapses? Central bank risk assessment: 51% attack on Ethereum costs $71B. Nation-state level capital could compromise chain hosting institutional assets. https://t.co/dqbHYI010g https://t.co/40zf8TIBMh

By Efi Pylarinou
Chime Embeds AI in Code and Daily Operations
SocialJan 13, 2026

Chime Embeds AI in Code and Daily Operations

30% of Chime's code is AI-generated. 90% of staff use AI weekly. Not a chatbot—an operating partner. Consumer Fintech Chime Leverages AI To Enhance Financial Services https://t.co/Zjuf9maKNd https://t.co/KVIwQiJI2X

By Efi Pylarinou
Vitalik Claims L2 Solves Ethereum's Trilemma—Debate Continues
SocialJan 12, 2026

Vitalik Claims L2 Solves Ethereum's Trilemma—Debate Continues

Ethereum's blockchain trilemma solved: Vitalik Buterin Buterin declares trilemma solved through L2 architecture. Question remains: Is this true solution or elegant workaround? Ethereum sacrificed monolithic design for modular stack - different problem, different answer https://t.co/Noow6uOsfy

By Efi Pylarinou
Gold‑backed Tokens Eye Payments, Not Just Savings
SocialJan 12, 2026

Gold‑backed Tokens Eye Payments, Not Just Savings

Tether Scudo: Unit of account, Tether Gold, everyday payments Tether Gold evolving into payment infrastructure via Scudo. Moving beyond store of value to transactional medium. Question: Can gold-backed tokens achieve payment velocity or remain savings vehicles? https://t.co/DPfqwx7vmA

By Efi Pylarinou
PayPal Joins Google’s Trusted AI Checkout Standard
SocialJan 12, 2026

PayPal Joins Google’s Trusted AI Checkout Standard

From Search to Checkout: PayPal Supports Trusted AI Checkout with Google UCP explained: Google's open standard covers search → purchase → post-purchase. Compatible with AP2 (Google's payment protocol). PayPal joining as credential provider. https://t.co/2t57Ttk61r https://t.co/obeTYz5DCY

By Efi Pylarinou
Stablecoins Fuel Illicit Activity, Undermining U.S. Sanctions
SocialJan 9, 2026

Stablecoins Fuel Illicit Activity, Undermining U.S. Sanctions

Stablecoins dominate illicit crypto activities, eclipsing Bitcoin Sanctions architecture challenged: Stablecoins providing dollar liquidity to sanctioned actors. Geopolitical irony - U.S.-based stablecoins undermining U.S. financial sanctions effectiveness. Regulation can't stop what's already on-chain https://t.co/3msm9cw1YP

By Efi Pylarinou
China’s Digital Yuan Gets Interest, Mirrors Traditional Deposits
SocialJan 9, 2026

China’s Digital Yuan Gets Interest, Mirrors Traditional Deposits

10 Chinese banks to pay interest on digital yuan Interest-bearing CBDC arrives: China enabling yield on digital yuan through banking partners. Question: Does this accelerate adoption or blur lines between central bank money and commercial deposits? Note the yield is low...

By Efi Pylarinou
Bankers Split: Where They Stay Vs. Plan to Leave
SocialJan 8, 2026

Bankers Split: Where They Stay Vs. Plan to Leave

🔴 Banking talent retention: Tale of two extremes New data on where bankers actually want to stay - and where they're planning their exit. https://t.co/pJptl27mrB https://t.co/vTyi6YmB5r

By Efi Pylarinou
Banks Profit From Back‑office AI; Fintechs Lead Agent Integration
SocialJan 8, 2026

Banks Profit From Back‑office AI; Fintechs Lead Agent Integration

Banks capture 68% of AI value from back-office efficiency, only 32% from customer-facing despite prioritizing it. Meanwhile fintechs embed agents across journeys. The gap: AI currently outperforms experts on just 30% of finance tasks. Integration defines winners. Agentic AI in Banking...

By Efi Pylarinou
MSCI Abandons Crypto Exclusion as Firms Hold Bitcoin
SocialJan 7, 2026

MSCI Abandons Crypto Exclusion as Firms Hold Bitcoin

MSCI drops plan to exclude digital assets MSCI reversing digital asset exclusion plan. Can't exclude crypto when companies like Strategy (MicroStrategy) hold massive Bitcoin treasuries. Index providers adapting to corporate blockchain adoption reality https://t.co/zWABxQJHJD https://t.co/DEyVcQUi4P

By Efi Pylarinou
Stripe's Crypto Payments May Speed Merchant Adoption
SocialJan 7, 2026

Stripe's Crypto Payments May Speed Merchant Adoption

https://t.co/exA8No4Pz0, Stripe direct crypto payments Strategic integration: Stripe enabling https://t.co/exA8No4Pz0 transactions for merchants. Bridging crypto-native liquidity with mainstream commerce infrastructure. Question: Does this accelerate merchant crypto adoption? https://t.co/uvmFO7TTc3

By Efi Pylarinou
Airwallex Chooses Netherlands as EU Payments Hub
SocialJan 7, 2026

Airwallex Chooses Netherlands as EU Payments Hub

Tencent-backed fintech Airwallex to invest in Netherlands Airwallex expanding into Netherlands with Tencent backing. Strategic EU hub selection for payments infrastructure. Cross-border fintech scaling European operations despite regulatory complexity https://t.co/qHblBllwuu https://t.co/3KKz5igqCO

By Efi Pylarinou