DeFi Safety

Articles and tools in this category.

Allocation Update - Q2 2026

Q2 2026 carried forward our focus on advancing Ethereum’s resilience and capabilities, supporting key work in zero-knowledge proofs, client diversity, formal verification, and open-source tooling. See the list below of the projects and ecosystem efforts supported this quarter as builders build and strengthen the network. Explore the full list...

Announcing a Trillion Dollar Security grant for WEBCAT

The Ethereum Foundation’s Trillion Dollar Security (1TS) initiative is proud to announce a grant allocation to Freedom of the Press Foundation (FPF) to support the continued development of WEBCAT. WEBCAT is an open source tool that lets browsers verify that code served by an enrolled website matches what its developers...

Announcing the Platåberget Testnet

tl;dr: Meet Platåberget: Glamsterdam's (Gloas + Amsterdam) early testing ground open to public participation. This upgrade comes with breaking changes for application developers. Notably, any tool that relies on a hardcapped maximum gas limit (think wallets, indexers and gas estimators) will break and needs to be updated. Please use this...

Bybit schedules hot-wallet migration for September 4

Bybit says it will move USDC between hot wallets during an infrastructure upgrade; the planned transfers should not be mistaken for evidence of a breach.

Coinbase resolves September 3 Ethereum send and receive delays

Coinbase recorded a temporary delay affecting some Ethereum sends and receives on September 3; the exchange said trading, fiat rails and customer funds were unaffected.

How to Check a Bridge Page Before Connecting a Wallet

A security-first checklist for bridge URLs, supported chains, fees, destination address and confirmation screens.

How to Compare DeFi Dashboards Without Getting Lost

A practical guide to comparing dashboard fields, protocol labels, wallet data and update times.

How to Keep DeFi Records After Each Transaction

A simple record-keeping workflow for transaction hashes, screenshots, notes, network names and wallet labels.

How to Organize Wallets by Purpose

A workflow for separating learning, testing, storage and recurring DeFi activity into clearer wallet roles.

How to Read a DeFi Lending Market Before Supplying Assets

A practical framework for reviewing collateral, utilization, liquidation and protocol documentation before using a lending market.

How to Review DeFi Help Center Articles

A guide to checking help center ownership, article date, product scope and warning language before following steps.

How to Review Token Approval Risks Before Connecting a Wallet

A practical educational checklist for reviewing wallet permissions.

How to Set Slippage Without Turning a Swap Into a Blind Trade

A beginner checklist for understanding slippage controls, trade size and wallet review screens.

How to Use Block Explorers After a DeFi Action

A beginner guide to finding status, confirmations, contract addresses, events and wallet history on a block explorer.

Andreessen Horowitz, DeFi Education Fund ask SEC to exempt DEXs from registration

The proposed exemption could foster innovation in DeFi by reducing regulatory burdens, but may also heighten scrutiny on less decentralized platforms. The post Andreessen Horowitz, DeFi Education Fund ask SEC to exempt D

Investigadores ganan $6,500 tras hackear OpenAI con Claude de Anthropic

El propio modelo de IA de un competidor terminó haciendo la mayor parte del trabajo en un ataque contra OpenAI. Los investigadores de Hacktron AI usaron Claude, de Anthropic, para escribir código de exploit funcional. To

Ingenieros de Robinhood acusados en caso de insider trading en Hyperliquid

Dos ingenieros de Robinhood enfrentan cargos de fraude por operar futuros de Hyperliquid antes de los listados de tokens, según los fiscales. El post Ingenieros de Robinhood acusados en caso de insider trading en Hyperli

Bernstein expects ‘aggressive’ rulemaking from SEC, CFTC, following CLARITY Act failure

Bernstein said the federal agencies will publish new regulations to compensate for the time lost negotiating the CLARITY Act, after its cloture vote failed on Tuesday.

0x calls Uniswap v4 hooks a mistake after finding 54% are malicious, Hayden Adams pushes back

The debate highlights the ongoing challenge in DeFi of balancing innovation with security, emphasizing the need for robust verification systems. The post 0x calls Uniswap v4 hooks a mistake after finding 54% are maliciou

Deutsche Bank awaits regulatory nod to launch institutional crypto custody solutions

Germany’s largest bank is awaiting regulatory approval to launch institutional custody solutions for Bitcoin, Ether and select stablecoins before expanding into tokenized assets.

Revolut says no direct contact after $3 million public ransom demand

Revolut says it received no direct contact despite separate ransom demands for $3 million in Monero and 10,000 Bitcoin from competing breach claimants.

Bitcoin ETFs Take Nearly $1B in a Day as Average Holder Returns to Profit

The funds pulled in more on Monday than across the whole of last week, when they posted the weakest net inflow of their history.

Uniswap Founder Reveals Sam-Bankman Fried Paid 7 Figures for Uniswap.com and Lost It

Hayden Adams says SBF once paid seven figures for the Uniswap.com domain and aimed it at a fork. Uniswap got it back free. The post Uniswap Founder Reveals Sam-Bankman Fried Paid 7 Figures for Uniswap.com and Lost It app

Payward plans to offer U.S. clients onchain perpetual futures on Hyperliquid

Leveraging its $550 million acquisition of Bitnomial, Payward aims to become the first registered U.S. exchange to deploy markets on the Hyperliquid protocol.

Bitcoin, Ethereum ETFs Bleed $592 Million as Clarity Act Fails in Senate

Bitcoin (BTC) and Ethereum (ETH) spot ETFs shed a combined $592 million on September 15. Both products posted their deepest single-day outflows in months. The outflows landed as the CLARITY Act failed to advance in the U

CME Expands Crypto Futures Lineup With Bitcoin Cash and Uniswap

The exchange operator is adding standard and micro contracts for BCH and UNI, extending a pattern of altcoin rollouts that already covers Cardano, Chainlink, Stellar, Avalanche, and Sui.

Spot bitcoin ETFs attracted nearly $1 billion on Monday, the 9th largest inflow ever

Inflows into spot bitcoin ETFs picked up Monday as bitcoin rallied to its highest since January.

Hackers infectan 30,000 dispositivos y roban $11 millones de wallets de criptomonedas

Hackers vinculados a Corea del Norte infectaron 30,000 dispositivos y drenaron $10.7 millones de wallets de criptomonedas mediante ofertas de trabajo falsas. El post Hackers infectan 30,000 dispositivos y roban $11 millo

Solana lender Kamino taps fintech veteran Michael Weisz as CEO for massive U.S. expansion

Michael Weisz will lead Kamino from a new New York headquarters as the DeFi lender is expanding into tokenized assets.

Revolut hackers demand $3 million in Monero, threaten to sell customer data

The group gave Revolut 24 hours to pay and said it targeted customers with significant crypto holdings.

CME adds Bitcoin Cash and Uniswap futures as crypto derivatives push grows

The exchange will offer standard and Micro contracts, covering 250 BCH and 25 BCH, and 10,000 UNI and 1,000 UNI, respectively.

Google Confirms Gemini Hacked 3 Real Companies in May Safety Test

Four frontier AI labs have now confirmed that their models reached the open internet and then accessed the systems of real companies. Google joined that list on Friday, roughly four months after its own incidents happene

Cronos Erased Two Hours of Transactions to Reverse $111 Million DeFi Exploit - Decrypt

Cronos Erased Two Hours of Transactions to Reverse $111 Million DeFi Exploit    Decrypt

Stablecoin payments firm dtcpay closes $25M round with SBI backing

Dtcpay plans to expand its merchant network and payment products after completing a $25 million Series A backed by Japan’s SBI Group.

Tom Lee's Bitmine Adds $74M in Ethereum, Declares a Crypto Bull Market 'Underway'

The purchase lifts Bitmine's stash to nearly 5.99 million ETH—4.9% of supply—as chairman Tom Lee argues Ethereum's outperformance signals a stronger move ahead and institutions remain underweight.

Crypto market cap reclaims $3 trillion as Bitcoin, altcoins rally

Bitcoin traded near $86,000 as major altcoins gained, while rising derivatives leverage pointed to growing speculative activity across crypto markets.

World Liberty Financial opens governance vote on 180-day rewards program for WLFI holders

The governance vote could enhance active participation, reduce token circulation, and mitigate whale dominance, impacting WLFI's market dynamics. The post World Liberty Financial opens governance vote on 180-day rewards

Revolut Hackers Demand $3M Monero Ransom, Threaten to Sell Customer Data: Report

The group says it chose whom to target by scanning the blockchain for Revolut accounts holding significant crypto.

Grayscale’s Zcash ETF plans 3-for-1 split after $233 million inflow surge

The Grayscale Zcash ETF (ZCSH) nears $890 million in assets as ZEC’s rally pushes mining competition to record highs.

HYPE hits record above $90 as Hyperliquid launches manual borrowing

HYPE hit a record $90.92 after Hyperliquid opened manual borrowing, letting users borrow stablecoins against HYPE and Bitcoin collateral.

Stablecoin growth could boost dollar dominance, US Treasury demand: BoE official

A Bank of England policy maker said digital dollars could expand access to the US currency while turning stablecoin issuers into bigger buyers of government debt.

Aave plans Avalanche RWA hub with Tether’s USA₮

Aave has announced an Avalanche credit hub that will let institutions borrow USA₮ against tokenized assets as the RWA market exceeds $51 billion and Avalanche hosts more than $3.4 billion of the assets. Aave RWA Hub will

Zcash holders back 25-second blocks, vote to keep ZEC halving schedule

Nearly 99% of ZEC holders voted to reduce block times to 25 seconds, while keeping ZEC issuance and halving schedules unchanged.

Binance Wallet launches Pre-Access campaigns for tokenized pre-IPO exposure via PancakeSwap

Binance's Pre-Access campaigns could democratize early investment opportunities, potentially reshaping retail investor access to private markets. The post Binance Wallet launches Pre-Access campaigns for tokenized pre-IP

Hackers Hijack HBO Max’s Reddit Account to Spread Crypto-Stealing Malware

Attackers ran 108 malicious ads through the streaming service’s verified account, directing users to fake software downloads.

Whitehats move 52 bitcoin from the Coldcard hack to a recovery trust

According to Galaxy Digital, the good guys have moved 52 BTC to an address carrying an OP_RETURN message reading "claim:cryptorecoverytrust dot com."

Circle launches Bitcoin-backed USDC borrowing for institutional clients

Circle is bringing Bitcoin-backed borrowing to institutional clients, allowing them to tap BTC holdings for USDC liquidity without selling their Bitcoin.

Kraken parent plans regulated Hyperliquid perps

Payward plans to offer Hyperliquid HIP-3 perpetual futures to eligible U.S. clients through Bitnomial, subject to regulatory approval.

Grayscale’s Zcash ETF files for 3-for-1 forward share split

At the close of trading on Sept. 28, shareholders will receive two extra shares for each one they hold.

Symbiosis says it recovered 15 BTC after Bitcoin bridge exploit, offers attacker 20% bounty

Blockchain security firm Blockaid said roughly 46.1 billion syBTC were minted but the attacker realized only about $336,000 in proceeds.

Hyundai Eyes Avalanche Expansion After Successful Stablecoin Payments Pilot

Hyundai Card is evaluating scaling its cross-border corporate payment infrastructure on the Avalanche network. Heejung Nam, head of payments and business development at Hyundai Card, confirmed that the company seeks to d

Banks escalate stablecoin rewards fight as Senate prepares for a Clarity Act vote

Eight banking groups on Monday said they want tighter limits on stablecoin rewards, keeping the ongoing banks-versus-crypto dispute alive in Congress.

Bitcoin ETFs shed $450M in biggest outflow since June

The $450 million withdrawal came as Bitcoin fell 2.5% and the CLARITY Act failed to advance in the Senate, with Fidelity and BlackRock funds leading the outflows.

Bitmine Adds $68 Million in Ethereum as Holdings Near 6 Million ETH

The purchase brings the company closer to its goal of owning 5% of Ethereum’s supply, with most of its tokens earning staking rewards.

Circle Launches Bitcoin-Backed USDC Loans for Institutions Through Circle Mint

TL;DR: Circle enabled the “Digital Asset-Backed Borrowing” service for verified Circle Mint institutional clients across the Arc and Ethereum networks, excluding New York users. Borrowers deposit BTC to mint cirBTC backe

Coinbase reports delayed DOT sends

Coinbase reported temporary delays in DOT sends. The official notice says receives, buys, sells, and fiat withdrawals and deposits were unaffected.

What a Token Approval Screen Usually Means

An educational guide to spending limits, contract permissions, wallet prompts and post-action review.

What to Check Before Signing a Wallet Transaction

A safety-oriented guide to reviewing recipient addresses, spending limits, chain selection and transaction simulations.

Glamsterdam Repricing Impact for Smart Contract Developers

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How to Archive DeFi Documentation and Receipts

A simple filing method for links, transaction records and changed terms.

How to Build a DeFi Incident Checklist

A calm response sequence for suspicious approvals, unexpected transfers and compromised interfaces.

How to Build a Personal DeFi Research Log

A lightweight template for separating source facts, observations and unresolved questions.

How to Build a Source Hierarchy for a DeFi Safety Guide (2)

A repeatable structure for separating protocol documentation, explorers, support pages and commentary.

How to Build a Source Hierarchy for a DeFi Safety Guide (3)

A repeatable structure for separating protocol documentation, explorers, support pages and commentary.

How to Build a Source Hierarchy for a DeFi Safety Guide

A repeatable structure for separating protocol documentation, explorers, support pages and commentary.

How to Check a Bridge Page Before Connecting a Wallet

A security-first checklist for bridge URLs, supported chains, fees, destination address and confirmation screens.

How to Check a Dapp's Documentation Against Its Interface

A source-first comparison routine for interface labels, permissions and transaction steps.

How to Check a DeFi App Before the First Connection

A cautious first-use sequence for reviewing domain, documentation and wallet prompts.

How to Check a DeFi Transaction in a Block Explorer

A practical checklist for using a transaction hash, confirming the network and reading the basic fields in a block explorer.

How to Check a DeFi Transaction on the Correct Explorer

A network-first method for locating a transaction and interpreting its status.

How to Check a Token's Network Representation

Questions to ask when the same asset appears on more than one chain.

How to Check Whether a DeFi Link Is Official

A verification sequence using documentation, project profiles and saved bookmarks.

How to Check Whether a DeFi Metric Changed Definition (2)

Questions about scope, timestamp, chain coverage, aggregation and methodology.

How to Check Whether a DeFi Metric Changed Definition (3)

Questions about scope, timestamp, chain coverage, aggregation and methodology.

How to Check Whether a DeFi Metric Changed Definition

Questions about scope, timestamp, chain coverage, aggregation and methodology.

How to Compare Bridge Interfaces Before Moving Assets

Questions to check about source chain, destination chain, token representation and official links.

How to Compare DeFi App Updates Without Ranking Products (2)

A descriptive approach to tracking changes in permissions, fees, links and support information.

How to Compare DeFi App Updates Without Ranking Products (3)

A descriptive approach to tracking changes in permissions, fees, links and support information.

How to Compare DeFi App Updates Without Ranking Products

A descriptive approach to tracking changes in permissions, fees, links and support information.

How to Compare DeFi Dashboards Without Getting Lost

A practical guide to comparing dashboard fields, protocol labels, wallet data and update times.

How to Compare DeFi Dashboards Without Losing Context

Questions to ask about definitions, timestamps, chains and data sources.

How to Compare DeFi Help Articles Across Versions

A method for tracking changed steps, screenshots, warnings and support guidance.

How to Compare DeFi Network Status Pages

What to check when a transaction or application appears delayed or unavailable.

How to Compare Official DeFi Documentation Versions

A simple process for recording changed instructions, interfaces and risk disclosures.

How to Compare Wallet Networks Before a DeFi Transaction

A practical network-check routine for avoiding chain and asset mismatches.

How to Evaluate a DeFi Tutorial Before Following It

Questions about source, date, network, assumptions and action reversibility.

How to Keep a DeFi Transaction Evidence Folder

A lightweight record structure for hashes, screenshots, sources and follow-up notes.

How to Keep DeFi Records After Each Transaction

A simple record-keeping workflow for transaction hashes, screenshots, notes, network names and wallet labels.

How to Keep Separate Wallets by Purpose

A practical organization model for testing, long-term holding and routine activity.

How to Maintain a Change Log for a DeFi Help Page (2)

What to record when instructions, links, screenshots or warnings are revised.

How to Maintain a Change Log for a DeFi Help Page (3)

What to record when instructions, links, screenshots or warnings are revised.

How to Maintain a Change Log for a DeFi Help Page

What to record when instructions, links, screenshots or warnings are revised.

How to Make a Monthly Wallet Security Review

A repeatable monthly review for permissions, devices, bookmarks and recovery notes.

How to Organize DeFi Bookmarks for Safer Browsing

A browser organization routine for official documentation, explorers and support pages.

How to Organize DeFi Research by Review Period (2)

A practical note structure for documentation, transaction records, screenshots and follow-up checks.

How to Organize DeFi Research by Review Period (3)

A practical note structure for documentation, transaction records, screenshots and follow-up checks.

How to Organize DeFi Research by Review Period

A practical note structure for documentation, transaction records, screenshots and follow-up checks.

How to Prepare a DeFi Guide for Correction (2)

A lightweight workflow for recording source changes, disputed details and update history.

How to Prepare a DeFi Guide for Correction (3)

A lightweight workflow for recording source changes, disputed details and update history.

How to Prepare a DeFi Guide for Correction

A lightweight workflow for recording source changes, disputed details and update history.

How to Prepare a DeFi Session Checklist

A repeatable pre-session routine covering browser state, wallet selection and official links.

How to Prepare a Small Test Transaction

A conservative workflow for testing the network, destination and wallet behavior before a larger action.

How to Read a DeFi Data Caveat (2)

A guide to locating limitations about coverage, estimates, timing and calculation method.

How to Read a DeFi Data Caveat (3)

A guide to locating limitations about coverage, estimates, timing and calculation method.

How to Read a DeFi Data Caveat

A guide to locating limitations about coverage, estimates, timing and calculation method.

How to Read a DeFi Lending Market Before Supplying Assets

A practical framework for reviewing collateral, utilization, liquidation and protocol documentation before using a lending market.

How to Read a DEX Swap Preview

The fields a beginner should review before confirming a swap interface.

How to Read a Liquidity Pool Position Summary

A beginner-oriented explanation of deposits, pool share, fees and changing asset composition.

How to Read a Wallet Connection Request

A plain-language framework for reviewing a dapp connection before approving it.

How to Read a Wallet Error Message

A practical method for separating network errors, permission prompts and user-action mistakes.

How to Read a Wallet Permission Review Screen

Fields to inspect when a wallet or tool summarizes active dapp permissions.

How to Read DeFi Documentation Before a First Deposit

A preparation sequence for finding risks, limits, eligibility and withdrawal details.

How to Read Token Approval Limits

What unlimited and limited approvals mean and what details to verify before signing.

How to Record a Failed DeFi Transaction

What to save when a transaction fails, including status, network, hash and source notes.

How to Record Uncertainty in DeFi Research (2)

A concise note format for incomplete data, changing interfaces, network conditions and open questions.

How to Record Uncertainty in DeFi Research (3)

A concise note format for incomplete data, changing interfaces, network conditions and open questions.

How to Record Uncertainty in DeFi Research

A concise note format for incomplete data, changing interfaces, network conditions and open questions.

How to Review a DeFi App's Support Channels

A source-first checklist for official help pages, status notices and escalation routes.

How to Review a DeFi Document Before Citing It (2)

A source-first checklist for publisher, date, network, version and stated limits.

How to Review a DeFi Document Before Citing It (3)

A source-first checklist for publisher, date, network, version and stated limits.

How to Review a DeFi Document Before Citing It

A source-first checklist for publisher, date, network, version and stated limits.

How to Review a DeFi Protocol Help Center

A source-quality checklist for tutorials, support articles and product claims.

How to Review a DeFi Recovery Phrase Warning

A practical guide to recognizing seed phrase boundaries in wallet and support workflows.

How to Review a DeFi Support Notice (2)

A cautious process for distinguishing maintenance, user action, network delay and account guidance.

How to Review a DeFi Support Notice (3)

A cautious process for distinguishing maintenance, user action, network delay and account guidance.

How to Review a DeFi Support Notice

A cautious process for distinguishing maintenance, user action, network delay and account guidance.

How to Review a DEX's Fee Disclosure

A conservative way to separate network fees, interface fees and price impact.

How to Review a Network Switch in a Wallet

The details to confirm when an application asks to change the active network.

How to Review a New Token List Entry

A cautious process for checking token lists, contract addresses, symbols and network context.

How to Review a Smart Contract Audit Claim

A checklist for locating the actual report, scope, date, version and unresolved findings.

How to Review and Revoke Old Token Allowances

A cautious process for reviewing old ERC-20 spending permissions and understanding what a revocation transaction does and does not do.

How to Review DeFi Notes After a Wallet Interface Update (2)

A practical routine for comparing labels, permissions, networks and official documentation.

How to Review DeFi Notes After a Wallet Interface Update (3)

A practical routine for comparing labels, permissions, networks and official documentation.

How to Review DeFi Notes After a Wallet Interface Update

A practical routine for comparing labels, permissions, networks and official documentation.

How to Review Gas Estimates Without Chasing the Lowest Number

A conservative way to read network fees, timing and transaction failure risk.

How to Review Token Approval Risks Before Connecting a Wallet

A plain-language checklist for understanding token approvals, spending limits and contract permissions before using a DeFi application.

How to Review Wallet Permissions After Using a Dapp

A practical follow-up process for identifying and reviewing permissions after a session.

How to Separate a Token Approval From a Token Transfer

The interface difference that helps readers understand what a wallet prompt is asking.

How to Separate DeFi Commentary From Source Facts (2)

A reading framework for identifying evidence, interpretation, promotion and uncertainty.

How to Separate DeFi Commentary From Source Facts (3)

A reading framework for identifying evidence, interpretation, promotion and uncertainty.

How to Separate DeFi Commentary From Source Facts

A reading framework for identifying evidence, interpretation, promotion and uncertainty.

How to Separate Protocol Risk From Wallet Risk

A framework for distinguishing application, contract, network, device and user-operation risks.

How to Set Slippage Without Turning a Swap Into a Blind Trade

A beginner checklist for understanding slippage controls, trade size and wallet review screens.

How to Spot Urgency in Crypto Interface Messages

A safety-oriented reading method for prompts that pressure users to act quickly.

How to Treat DeFi Security Announcements

A source-first method for separating official notices from copied alerts.

How to Update a DeFi Safety Bookmark Set

A recurring maintenance routine for domains, explorers, documentation and support links.

How to Use a Block Explorer as a Transaction Receipt

A verification guide for checking status, network, recipient and token movement.

How to Use Block Explorers After a DeFi Action

A beginner guide to finding status, confirmations, contract addresses, events and wallet history on a block explorer.

How to Verify a Token Contract Before a DeFi Action

A source-based routine for comparing contract addresses across official documentation and explorers.

Raising machine-checked security benchmarks to advance hash-based SNARKs through agentic collaboration

better.codes, an open autoresearch challenge built by the Ethereum Foundation Formal Verification team in collaboration with Yukon and zkSecurity, is now live. better.codes takes a self-contained problem from the Proximity Prize research, formalized in Lean, and puts its soundness bound on a public leaderboard that anyone can push forward....