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15 May 2026, 11:50
Solana news: Anatoly Yakovenko Says Alpenglow Launch Proves Solana’s Design Is Working
Solana co-founder Anatoly Yakovenko is pointing to the Alpenglow consensus upgrade news, now live on a community test cluster and targeting mainnet as soon as Q2 2026, as direct evidence that the network’s core architecture is functioning as intended. The upgrade, the largest consensus overhaul in Solana’s history, replaces Proof of History and TowerBFT with two new components, Votor and Rotor, and is designed to cut transaction finality from roughly 12.8 seconds to around 150 milliseconds. Its more consequential claim is structural: Alpenglow changes the MEV calculus by making delay-based transaction ordering significantly more expensive for validators. Photo: Anatoly Yakovenko The upgrade cleared Solana’s validator set in September 2025 with more than 98% support. Whether it clears the harder test, a live mainnet environment with active searchers and real capital at stake, is the open question that matters for the ecosystem. Discover: The best pre-launch token sales Alpenglow’s MEV Penalty Mechanics: How the Upgrade Works, and Why Validator Economics Are Shifting The mechanism here is worth understanding precisely. Under Solana’s current architecture, validators acting as slot leaders can delay block production within timing windows to sell better transaction ordering to searchers, a form of dark MEV that extracts value from users without appearing in any transparent auction. Alpenglow closes that window structurally. Leaders that miss timeout thresholds not only forfeit immediate rewards but also reduce their probability of being elected leader in subsequent epochs. Alpenglow is going to have a subtle but important impact to mev. Delaying a slot past the timeout will cause the leader to lose all the subsequent slots. So the cost of delay games is highest in the first slot and lowest in the last. — toly (@toly) May 12, 2026 Yakovenko has described this penalty asymmetry in specific terms, noting that early-slot delays are penalized more severely than late ones, making manipulation of the first transactions in a sequence, where the most valuable MEV opportunities are concentrated, particularly costly. The effect is not to eliminate MEV but to redirect validator incentives away from opaque timing games and toward transparent order-flow auctions that generate observable validator yield. Alpenglow effectively taxes dark MEV at the protocol level rather than attempting to suppress MEV altogether. Ethereum took a different route, building an extensive infrastructure stack of relays, builders, and a proposer-builder separation tooling to manage MEV externally. Solana is embedding the incentive structure into the base consensus layer. Those are not the same approach, and the tradeoffs are not yet fully priced by the market. Yakovenko’s Claims and What the Protocol Architecture Actually Supports Yakovenko has framed Alpenglow as proof that Solana’s speed-first design philosophy is compatible with sophisticated MEV management, that the network does not need Ethereum-style middleware because it can encode the right incentives at the consensus layer. He has argued, in conference appearances, that Alpenglow pushes Solana toward what he describes as speed-of-light confirmation constraints, where the remaining latency after propagation overhead is minimized is dominated purely by geographic distance across validator nodes. Alpenglow Community Cluster restart in progress – bigger this time (86 validators, up from 49) and on a patched build with fixes from the previous run. Watch it come back to life: https://t.co/wSD3tfderR pic.twitter.com/3cK0wtv1U9 — Valid Blocks IBRL/acc (@ValidBlocks) May 15, 2026 The 150-millisecond finality target, if realized at mainnet scale, would represent a qualitative shift for Solana’s position in high-frequency DeFi and payments infrastructure . The Rotor component’s block propagation improvements and Votor’s streamlined finalization are the architectural levers. The claim that the design is working rests on those two components performing under mainnet load, a condition the community test cluster has not yet replicated. The language is disciplined. The timing, with Alpenglow moving from test cluster toward mainnet while Solana’s DeFi ecosystem is expanding, is not coincidental. The provisional conclusion: Yakovenko’s architectural argument is coherent, but the evidence base is still test-net data. What Mainnet Activation News Actually Signals for Solana Ecosystem If Alpenglow reaches mainnet in Q2 2026 without disrupting network reliability, the validator yield narrative acquires hard on-chain data to support it, and Solana’s pitch as high-speed Layer 1 infrastructure for DeFi sharpens considerably. JUST IN: @Solana co-founder @toly reveals that Alpenglow release as early as next quarter He dives deep into the upgrade on the @Anchorage Digital Mainstage at @consensus2026 pic.twitter.com/EtvuXM8Qlt — CoinDesk (@CoinDesk) May 5, 2026 Anza and ecosystem partners have signaled follow-on work to tune penalty parameters and adjust staking and inflation targets once real-world MEV and latency data are collected under the new regime. If adoption stalls or delay-based MEV strategies migrate to alternative venues that Alpenglow’s penalty mechanics do not reach, the upgrade becomes a consensus improvement with limited impact on the MEV environment it was designed to reshape. Researchers at KuCoin and Oak Research have both flagged that shifting MEV incentives on a live, high-throughput network is an uncharted experiment, and that searchers adapt faster than protocol timelines. The design may be working. The proof requires the mainnet. Discover: The best crypto to diversify your portfolio with The post Solana news: Anatoly Yakovenko Says Alpenglow Launch Proves Solana’s Design Is Working appeared first on Cryptonews .
15 May 2026, 11:30
Cardano Founder Says ‘Leios Is Coming’ As Proposal Heads To DReps
Cardano founder Charles Hoskinson signaled renewed momentum behind Leios, the network’s next major consensus upgrade, as Input Output moved a ₳27.7 million funding proposal toward DRep approval. The proposal seeks to mature Leios from an early public testnet prototype into a mainnet-ready release candidate, positioning the upgrade as a central piece of Cardano’s 2030 scaling strategy. “Leios is coming,” Hoskinson wrote on X, quoting Sebastian Nagel, who said: “Cardano, if your governance permits, we’ll ship Leios.” The short exchange framed the next phase of Cardano’s scaling roadmap as both a technical delivery question and a governance decision. Cardano’s Biggest Scaling Bet The proposal , authored by Carlos Lopez de Lara and Nagel, asks DReps to approve a treasury withdrawal of ₳27,714,342 to fund six to nine months of development. The work is intended to move Leios from its current prototype and testnet phase toward a release candidate suitable for mainnet integration. According to the proposal, each milestone would be independently assured, while undisbursed ada would be returned to the treasury. Leios is designed to enhance, rather than replace, Ouroboros Praos, Cardano’s existing consensus protocol. The proposal says the upgrade introduces endorser blocks and committee-based validation to increase transaction capacity while preserving Praos’s security model. IO frames the design as a way to scale Cardano without undermining decentralization or making stake pool operations economically unviable. “Cardano needs a step change in throughput to meet its 2030 ambitions, and Leios is how it gets there. This proposal funds the path from public testnet to a mainnet-ready release candidate — delivering a 10–65x increase in transaction capacity ,” the proposal states. “Why this scale matters: Cardano’s 2030 strategy targets growth from roughly 800,000 monthly transactions to over 27 million.” That 2030 target is a key justification for the funding request. The proposal argues that sustainable utilization at that level would require at least 6x current capacity, while Leios is expected to deliver 10x or more under validated parameter settings. Elsewhere, the accompanying IO article says Leios could support a phased throughput increase from 2x to 30x current capacity on mainnet, with full capacity demonstrated on testnet before broader rollout. The work is organized around three objectives. The first is a release candidate, including a substantial rewrite of consensus components, implementation of the Leios block structure for the Dijkstra era, conformance testing against the Agda formal specification, and integration into the primary node by the fourth quarter of 2026. The second is “high confidence,” built through parameter exploration, continuous load testing, adversarial testing, red-team exercises, and an updated threat model. The third is hard-fork enablement, covering client interfaces, technical documentation, SPO and developer workshops, support for adjacent infrastructure such as DB-Sync, Mithril and Blockfrost , testnet hard forks, governance artifacts and contingency procedures. The proposal is careful to separate work within IO’s control from external dependencies. A mainnet hard fork would still depend on broader ecosystem readiness, governance action submission and a community vote. The document explicitly describes those as risks rather than promises. Funding would be administered through Intersect’s treasury reserve smart contract framework, with milestone-based disbursements and third-party assurance. The budget allocates ₳23.83 million, or 86%, to development, with smaller portions assigned to infrastructure, security and audits, legal and compliance, ecosystem support, operations, governance and other costs. The risk section is direct. It identifies community readiness, hard-fork timing, final cardano-node integration and possible governance constraints as factors that could delay or limit activation. It also notes technical limitations, including potential higher operational costs for SPOs, greater chain growth, and high-throughput assumptions tied to adversarial stake conditions. At press time, ADA traded at $0.2661.
15 May 2026, 10:58
THORChain’s RUNE Token Plunges Double Digits After $10M Exploit, Trading Halt
The liquidity protocol halted operations after blockchain researchers identified a suspected $10 million breach across multiple networks.
15 May 2026, 10:40
Thorchain Halts Trading Following Suspected $10M Exploit Across Multiple Networks
BitcoinWorld Thorchain Halts Trading Following Suspected $10M Exploit Across Multiple Networks Thorchain, the decentralized cross-chain liquidity protocol behind the RUNE token, has abruptly halted trading after a suspected exploit targeting its bridges across Bitcoin, Ethereum, BNB Chain, and Base networks. The incident, first flagged by on-chain analysts ZachXBT and PeckShield, is estimated to have resulted in losses exceeding $10 million, though the full extent of the breach remains unconfirmed. Details of the Suspected Attack According to reports from The Block, the suspected exploit forced Thorchain to pause operations across multiple blockchain networks as a precautionary measure. On-chain sleuth ZachXBT identified wallet addresses potentially linked to the attack, noting that funds appeared to have been drained from liquidity pools. PeckShield, a blockchain security firm, corroborated the findings, estimating damages at over $10 million but emphasizing that the attack has not yet been fully verified. The incident highlights ongoing vulnerabilities in cross-chain bridge protocols, which have been frequent targets for malicious actors due to their complexity and high value of locked assets. Implications for DeFi and Cross-Chain Security Thorchain is a prominent player in the decentralized finance (DeFi) ecosystem, enabling users to swap assets across different blockchains without relying on centralized intermediaries. The suspected exploit raises concerns about the security of cross-chain infrastructure, which has seen several high-profile hacks in recent years, including the $600 million Ronin bridge attack in 2022. For RUNE token holders, the halt in trading could lead to increased volatility and uncertainty. The broader DeFi market may also face renewed scrutiny from regulators and investors regarding the robustness of bridge security measures. Market and Community Response Following the announcement, the price of RUNE experienced a sharp decline, reflecting market jitters. The Thorchain team has not yet released an official statement detailing the cause of the exploit or the timeline for resuming operations. Community forums and social media channels are abuzz with speculation, though analysts urge caution until a full post-mortem is published. The incident underscores the importance of rigorous smart contract audits and real-time monitoring systems for DeFi protocols. Conclusion The suspected $10 million exploit targeting Thorchain represents another significant security incident in the DeFi space. As investigations by ZachXBT and PeckShield continue, the industry awaits confirmation of the attack vector and the recovery of any lost funds. For now, Thorchain remains halted, and users are advised to stay informed through official channels. This event serves as a stark reminder of the persistent risks in cross-chain operations and the need for enhanced security protocols. FAQs Q1: What is Thorchain and why did it halt trading? Thorchain is a decentralized protocol that allows cross-chain asset swaps. It halted trading after a suspected exploit drained over $10 million from its liquidity pools across Bitcoin, Ethereum, BNB Chain, and Base networks. Q2: Who identified the suspected exploit? On-chain analysts ZachXBT and security firm PeckShield first flagged the suspicious activity, identifying wallet addresses potentially linked to the attack. The exploit has not yet been fully confirmed. Q3: What should RUNE token holders do? RUNE token holders should monitor official Thorchain announcements for updates on the situation. The halt in trading may lead to price volatility, and it is advisable to exercise caution until the protocol resumes normal operations. This post Thorchain Halts Trading Following Suspected $10M Exploit Across Multiple Networks first appeared on BitcoinWorld .
15 May 2026, 10:25
Bithumb to Halt POL Deposits and Withdrawals for Network Upgrade on May 21
BitcoinWorld Bithumb to Halt POL Deposits and Withdrawals for Network Upgrade on May 21 South Korean cryptocurrency exchange Bithumb has announced a temporary suspension of deposits and withdrawals for the Polygon Ecosystem (POL) token. The measure is scheduled to take effect at 10:00 a.m. UTC on May 21, 2026, to facilitate an upcoming network upgrade. Why Bithumb Is Suspending POL Services According to the exchange’s official notice, the halt is necessary to support a planned upgrade to the Polygon Ecosystem network. During this period, users will be unable to deposit or withdraw POL tokens. Trading on the exchange may continue as normal, depending on the specific conditions of the upgrade. Network upgrades are routine in blockchain ecosystems, often introducing improvements to scalability, security, or functionality. Exchanges typically suspend token services during such events to prevent processing errors or losses from transactions occurring on incompatible chain versions. Timeline and Impact on Traders The suspension begins at 10:00 a.m. UTC on May 21. Bithumb has not yet specified an exact end time, but such halts typically last several hours to a full day, depending on the upgrade’s complexity and network stability post-upgrade. Users holding POL on Bithumb are advised to complete any pending deposits or withdrawals before the deadline. For active traders, this means planning around the halt window. Those who rely on arbitrage or frequent transfers involving POL may need to adjust their strategies temporarily. The suspension applies only to deposit and withdrawal functions; internal transfers or trading between users on the platform may remain unaffected unless Bithumb issues further restrictions. What This Means for POL Token Holders POL is the native token of the Polygon Ecosystem, used for staking, governance, and transaction fees. Network upgrades often aim to enhance these functions. While temporary suspensions can cause short-term inconvenience, they are standard practice across major exchanges and are generally seen as a sign of responsible asset management. Users should monitor Bithumb’s official announcements for updates on when services will resume. It is also advisable to check whether the upgrade introduces any changes that may affect token functionality or wallet compatibility. Conclusion Bithumb’s decision to temporarily suspend POL deposits and withdrawals on May 21 is a routine operational measure tied to an upcoming network upgrade. While it may cause brief disruption for some users, it reflects standard exchange protocol to ensure transaction safety during blockchain maintenance. POL holders should plan accordingly and stay informed through official channels. FAQs Q1: Will my POL tokens be safe during the suspension? Yes. Your POL tokens held on Bithumb will remain safe. The suspension only affects the ability to deposit or withdraw tokens; your balance and any open orders should not be impacted. Q2: Can I still trade POL on Bithumb during the halt? Typically, trading between users on the platform continues during network upgrades, but Bithumb may impose additional restrictions. Check the exchange’s latest notice for specific details. Q3: How long will the suspension last? Bithumb has not provided an exact end time. Network upgrade halts usually last from a few hours to a full day. Bithumb will likely announce resumption once the upgrade is confirmed stable. This post Bithumb to Halt POL Deposits and Withdrawals for Network Upgrade on May 21 first appeared on BitcoinWorld .
15 May 2026, 10:21
Thorchain halts trading after $10 million cross-chain exploit, RUNE token drops 12%
The cross-chain liquidity protocol paused all trading and signing on Friday after an attacker drained roughly $10.8 million across Bitcoin, Ethereum, BSC, and Base.
