Cosmos Hub validators stopped block production for nearly 25 hours following a governance attack on Neutron that initially led to losses of approximately $9.5 million, moving 1.23 million ATOM from attacker wallets after restart.
Solana has deployed its Alpenglow consensus upgrade to public testnet, where developers will test a design intended to reduce transaction finality from approximately 13 seconds to around 150 milliseconds. The upgrade represents a significant performance improvement for the blockchain network.
Solana's network reduced its target slot time from 300 milliseconds to 250 on September 18, 2026, marking the blockchain's third speed reduction since August. While blocks arrive faster, transaction capacity per block remains unchanged.
A vault flaw created during a routine code refactor three years ago enabled a $1.3 million theft on the Radix blockchain, forcing validators to halt the network for 10 days. The Radix Foundation disclosed the incident on September 17.
NEAR Protocol enabled private perpetual futures by default on September 17, routing all deposits through a confidential layer that masks positions. The feature is powered by Hyperliquid's infrastructure and represents the industry's first 'confidential by default' perpetuals trading.
Avalanche is implementing a network upgrade scheduled for Sept. 22 that reduces validator lockup periods from weeks to 48 hours, while introducing auto-renewal features and new requirements for earning full cycle rewards.
Aave Labs announced plans to launch the Aave V4 RWA Hub on Avalanche, a dedicated real-world asset credit market that would allow institutions to borrow USA₮ stablecoins against tokenized collateral. Both the hub and USA₮ listing require Aave DAO approval, with no launch date specified.
Circle's Arc Layer 1 blockchain went live on September 16, 2026, with over 100 applications and institutional validators including BlackRock, DTCC, Visa, and Mastercard. The company minted 10 billion ARC tokens at launch, with gas fees charged in USDC.
The Ethereum Foundation's Protocol cluster published a roadmap setting December 2029 as a hard deadline for making Ethereum's base layer resistant to quantum computing attacks, covering consensus, execution, and networking layers.
Ethereum-compatible layer-1 network Harmony has proposed sunsetting its seven-year-old blockchain and migrating its native ONE token to Ethereum. The project has allocated $1.37 million in compensation for validators who halt node operations starting September 10 and transition to governor roles in new projects.
Ethereum-compatible layer-1 network Harmony has proposed sunsetting its seven-year-old blockchain and migrating its native ONE token to Ethereum. The project has allocated $1.37 million in compensation for validators who halt node operations starting September 10 and transition to governor roles in new projects.
Pineapple Financial has migrated over $1 billion in residential mortgage records onto Injective, a layer-1 blockchain focused on financial applications. The milestone represents a significant step in the tokenization of traditional lending records by a conventional financial institution.
Ontology blockchain has mandated an urgent upgrade to version 3.1.5 for all nodes following a chain restart caused by malicious activity. The attack path and details of the wider service recovery have not been disclosed.
A layer-1 blockchain network froze operations for four hours in an emergency response to prevent a $4.9 million hack, then publicly characterized the incident as a routine upgrade. The emergency action jailed validators and disrupted exchange transfers while maintaining consensus-level security.
Ontology's development team stopped the blockchain's mainnet block production on August 31 after flagging a potential security issue during routine checks. The network remained halted with no confirmed incident or restart timeline disclosed.
DeFi Development Corp, a Solana treasury firm holding over 2.2 million SOL, has launched State of Solana, a free public dashboard that tracks Solana price, staking yields, validator distribution, and live network throughput.
Arcus, a decentralized exchange built by the dYdX team in partnership with Robinhood Crypto, has launched the pToken protocol on Robinhood Chain. The protocol tokenizes managed perpetual futures accounts into transferable ERC-20 tokens, offering fixed-leverage exposure to assets like bitcoin and Robinhood stock without requiring users to manage positions directly.
Solana implemented its first slot time reduction from 400ms to 350ms on mainnet, marking the initial step in a planned series of cuts toward 200ms. The upgrade aims to boost transaction speeds and network throughput.
MANTRA Chain, a Layer 1 blockchain focused on real-world asset tokenization, has frozen all transactions and halted network operations as a precautionary measure while investigating an unidentified incident. The MANTRA token fell approximately 9-10% following the announcement, and major exchange MEXC suspended deposits and withdrawals.
MANTRA Chain, a Layer 1 blockchain focused on real-world asset tokenization, halted network operations following an unspecified security incident. The native token dropped 18.5% to an all-time low before partially recovering.
GnosisDAO approved GIP-153 on August 19, authorizing Gnosis Chain to transition from an independent layer-1 blockchain to an Ethereum Economic Zone (EEZ) rollup that settles directly to Ethereum. The move will end the chain's independent validator set and unlock approximately 350,000 GNO tokens previously used for treasury-funded staking rewards.
Nearly 29% of staked SOL went offline early Wednesday after a routing fault at hosting provider Teraswitch, bringing Solana within 4 percentage points of the 33% threshold at which the network stops finalizing blocks. The network recovered without a full halt.
Layer 1 blockchain platform Harmony confirmed it was exploited through unauthorized minting of 4 billion ONE tokens, causing the cryptocurrency to plunge approximately 40%. The exploit was first reported by social media users before the company's official confirmation.
Solana's Agave 4.2 upgrade began activating on mainnet the week of August 17, 2026, introducing a 90% reduction in on-chain storage rent, 3.3x larger maximum transaction size, and phased implementation of faster slot times targeting 200ms blocks. The upgrade coincided with Solana ETF inflows hitting a 3-month high of $8.8 million.
Harry Chun Tak Yeh, founder of Quantum Fintech Group and prominent supporter of the Fantom cryptocurrency ecosystem, died after falling from the 30th floor of the Jade Park residential tower in Asunción, Paraguay. Authorities are investigating the incident.
The SUI/USDT trading pair closed at $0.67 on August 6, 2026, remaining below its 200-day exponential moving average of $1.01, while the crypto market Fear & Greed Index registered 25, indicating extreme fear among investors.
Sam Blackshear, cofounder and chief technology officer of Mysten Labs, announced on August 6 that he is departing the Sui blockchain developer to join AI company Anthropic, where he will focus on defensive security research.
Circle announced 11 founding validators for its Arc blockchain public mainnet launching September 16, including BlackRock, Visa, Mastercard, DTCC, and SBI Group. The company reported Q2 revenue of $701 million with USDC circulation reaching $73.3 billion.
Illia Polosukhin, co-founder of NEAR Protocol, has proposed creating a protocol sovereign fund seeded with approximately 30 million NEAR tokens (valued between $57-450 million) to generate yield for network operations and potentially reduce token inflation. The fund would consolidate treasury assets and use protocol revenue to support validators, security, and public goods.
Law firm Linklaters has advised fintech company SWIAT on establishing a European cooperative structure for the Regulated Layer One (RL1) blockchain initiative, with the new entity now incorporated.
Pi Network has begun deploying Protocol 26, the ninth and penultimate upgrade to its Mainnet, with node operators required to complete the update by August 11, 2026. The upgrade is part of a two-step process leading to the final Protocol 27.
Pi Network has begun deploying Protocol 26, the ninth and penultimate upgrade to its Mainnet, with node operators required to complete the update by August 11, 2026. The upgrade is part of a two-step process leading to the final Protocol 27.
Zilliqa has halted all native ZIL transactions after uncovering a critical security flaw in its Ledger hardware wallet application that has existed since 2019, allowing attackers to reconstruct private keys from transaction signatures. The vulnerability affects all versions of the Zilliqa Ledger app released between 2019 and 2026.
MVMT Labs, the developer behind the Movement blockchain, filed for Chapter 11 bankruptcy in Delaware on July 15. The filing follows months of upheaval including a controversial market-making agreement, internal investigation into its MOVE token launch, and a Binance ban.
Cardano successfully activated its Van Rossem hard fork on July 18, 2026, upgrading to Protocol Version 11 in what marks the blockchain's first upgrade approved entirely through on-chain governance without Input Output (IOHK) control. The upgrade reduces smart contract execution costs and adds Plutus enhancements.
Japan's dominant security token platform completed migration of ¥452 billion ($3 billion) in regulated assets from Corda 5 to a dedicated Avalanche L1, achieving 3–5x faster transfers. Concurrently, BlackRock's BUIDL fund on Avalanche surged 105% in seven days to surpass $900 million.
Security researchers from Hexens identified and reported a significant security flaw in the Aptos blockchain using a $3,000 server. The vulnerability has since been patched, preventing potential risk to approximately $70 billion in cryptocurrency.
The Solana ecosystem experienced multiple infrastructure developments in early June 2026, with the Solana Foundation deploying a native recurring payments program, Phoenix Trade launching mobile trading access, and Solayer rolling out its Margin Trade perpetuals platform mainnet.
Echo Protocol suffered a bridge exploit where an attacker minted 1,000 eBTC (worth approximately $76.64 million) on Monad using a compromised admin key, then used the fake eBTC to borrow real crypto assets. The protocol suspended all cross-chain transactions.
Solana has activated its Alpenglow upgrade for live validator testing, with co-founder confirmation that near-speed-of-light finality could arrive as early as next quarter. The upgrade aims to dramatically reduce transaction confirmation times.
NEAR Protocol plans to launch a post-quantum-safe signing testnet in Q2 2026 using FIPS-204 standard, allowing users to rotate keys to quantum-resistant alternatives. The announcement comes as Project Eleven warns quantum computing threatens blockchains, banking systems, and digital infrastructure, with concerns that Bitcoin may face challenges in quantum migration.
Ethereum's share of total value locked in DeFi has declined from 63.5% at the start of 2025 to approximately 54% as of May 2026, marking the lowest level since May 2025 as competing Layer 1 and Layer 2 networks capture market share.
Pi Network announced May 11 as the activation date for Protocol 23, which introduces full smart contract functionality to the Pi blockchain, transitioning the network from mobile mining to programmable DeFi infrastructure.
Facebook and Instagram parent company Meta now offers USDC stablecoin payouts to content creators in select countries (initially Colombia and Philippines) through integration with Stripe's payment infrastructure on Solana and Polygon blockchains.
Sui-based liquid staking platform Volo Protocol was exploited for approximately $3.5 million from its WBTC, XAUm, and USDC vaults. The team has pledged to absorb losses and frozen affected assets while conducting an investigation.
Circle has unveiled plans to make its Arc layer-1 blockchain quantum-resistant from day one, allowing users to create wallets that can withstand future quantum computer attacks. The move comes amid growing concerns that 'Q-Day' may arrive sooner than anticipated.
