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22 May 2026, 09:15
Polymarket’s UMA Adapter Contract Exploited for $520K on Polygon, ZachXBT Reports
BitcoinWorld Polymarket’s UMA Adapter Contract Exploited for $520K on Polygon, ZachXBT Reports A UMA CTF adapter contract linked to the prediction market platform Polymarket has been exploited on the Polygon network, resulting in a loss of approximately $520,000, according to on-chain analyst ZachXBT. The breach was reported via ZachXBT’s Telegram channel, drawing immediate attention to a critical piece of infrastructure that facilitates the settlement of prediction market outcomes. Details of the Exploit The exploited contract is part of Polymarket’s integration with UMA’s Optimistic Oracle, which is used to verify and settle real-world events. The attacker reportedly drained funds from the adapter contract, which serves as a bridge between Polymarket’s market resolution system and the UMA protocol. ZachXBT’s preliminary analysis suggests the vulnerability allowed unauthorized withdrawals, though the exact method remains under investigation. Impact on Polymarket and Users Polymarket, a decentralized prediction market platform, relies on UMA’s infrastructure to ensure fair and accurate settlement of bets. The exploit raises concerns about the security of cross-contract interactions and the potential for similar vulnerabilities in other DeFi protocols. While the $520,000 loss is significant, it represents a fraction of Polymarket’s total value locked, which has grown substantially in recent months. The platform has not yet issued an official statement, but users are advised to monitor their positions and exercise caution. Broader Implications for DeFi Security This incident adds to a growing list of exploits targeting smart contracts on Layer 2 networks like Polygon. Security experts emphasize the importance of rigorous auditing for cross-chain and adapter contracts, which often introduce complex dependencies. The UMA protocol has faced scrutiny in the past for similar issues, and this latest breach may prompt calls for enhanced security measures across the DeFi ecosystem. Conclusion The exploitation of Polymarket’s UMA adapter contract highlights persistent security challenges in decentralized finance. As investigations continue, the incident serves as a reminder of the risks inherent in complex smart contract interactions. Users and developers alike should prioritize security audits and remain vigilant against emerging threats. FAQs Q1: What was exploited in the Polymarket incident? A UMA CTF adapter contract on the Polygon network was exploited, resulting in a loss of $520,000. This contract is used to settle outcomes on Polymarket’s prediction markets. Q2: Who reported the exploit? On-chain analyst ZachXBT reported the exploit via his Telegram channel, providing initial details and transaction data. Q3: What should Polymarket users do? Users should monitor official channels for updates from Polymarket and exercise caution with their funds. It is advisable to stay informed about the investigation’s findings. This post Polymarket’s UMA Adapter Contract Exploited for $520K on Polygon, ZachXBT Reports first appeared on BitcoinWorld .
22 May 2026, 09:08
XRP Price Defies Market Weakness as ETF Flows Crush BTC and ETH
XRP price is holding its ground while the rest of the market buckles, as supported by its ETF flow data. XRP ETFs pulled in $8.88 million in the latest session, extending a run that included $18.52 million on May 14 and $10.87 million on May 15, totaling $42 million in net inflows across the past week. Bitcoin ETFs, by contrast, shed another $100.9 million in the same session , following a brutal stretch of $648.6 million, $331.1 million, and $290.4 million in consecutive daily redemptions. Ethereum also lost $32.6 million in the latest session. Not just ETF flows, XRP has also recorded its fourth-largest daily wallet creation spike of 2025 , with 4,300 new addresses added in 24 hours. $XRP has had 4,300 new wallets created in 24 hours, the 4th largest spike of 2026. Network growth is among the top leading signals to identify reversals. Check out XRP’s network growth and level of address activity any time with this handy chart: https://t.co/8jwj1uvJta pic.twitter.com/Fbo1WRKEN8 — Santiment Intelligence (@SantimentData) May 21, 2026 The contrast between XRP inflows and BTC/ETH outflows points to selective rotation as BTC and ETH in fights againts its key supports. Discover: The best crypto to diversify your portfolio with Can XRP Price Break $1.50 This Week? XRP’s price range of $1.36–$1.38 represents a holding pattern. The 7-day picture is less flattering with a -7% drawdown over the past week; the current stabilization is a recovery from a slide, not a continuation of a trend. We identify $1.20–$1.25 as the critical support floor, with the $1.50–$1.60 band acting as near-term resistance that XRP has yet to convincingly reclaim. Xrp (XRP) 24h 7d 30d 1y All time Options positioning around the $1.40 level has been flagged as a near-term magnet, suggesting market makers may be keeping price anchored in a tight range heading into June expiry. ETF inflow data is encouraging, but spot volume has been modest, which limits the conviction behind the move. The data points to a token in a critical zone, not yet confirming a reversal. Watch the $1.40 level closely. Discover: The best pre-launch token sales Bitcoin Hyper: A Superior Chain XRP’s rotation story is compelling, but even a successful breakout to $1.60 from $1.37 would represent just 17% upside. For traders who want the narrative of Bitcoin ecosystem expansion, institutional capital flows, and infrastructure plays without the large-cap ceiling, early-stage presales offer a different risk/reward profile entirely. Bitcoin Hyper ($HYPER) is currently in presale at $0.0136 , having raised a huge $32 million to date. The project positions itself as the first-ever Bitcoin Layer 2 with Solana Virtual Machine (SVM) integration, targeting sub-second finality and smart contract capability on top of Bitcoin’s security layer, with performance that exceeds Solana. A Decentralized Canonical Bridge handles BTC transfers, and staking is live with a high 36% APY for early participants. The infrastructure thesis aligns directly with the capital rotation dynamic driving XRP’s current moment. Investors are not abandoning crypto; they are hunting for assets with structural upside that the majors can no longer provide at scale. Research Bitcoin Hyper here. The post XRP Price Defies Market Weakness as ETF Flows Crush BTC and ETH appeared first on Cryptonews .
22 May 2026, 09:07
Solana holds $85 support as bulls eye $98 breakout
📈 Solana is holding steady above $85 as markets watch for a move towards the $98 resistance zone. Over the last 24 hours, $SOL showed only a 0.30% dip despite broader volatility. Continue Reading: Solana holds $85 support as bulls eye $98 breakout The post Solana holds $85 support as bulls eye $98 breakout appeared first on COINTURK NEWS .
22 May 2026, 09:02
Top XRP Ledger Validator Says This Is a Must Read for All XRP Holders
Top XRP Ledger validator Vet recently outlined a major misunderstanding surrounding XRP and Ripple’s stablecoin, RLUSD. In the post, Vet argued that many people incorrectly assume RLUSD could eventually replace XRP within the digital asset ecosystem. According to the validator, the two assets serve entirely different purposes inside tokenized financial systems. Vet described XRP as the “swap kid,” explaining that issued assets such as RLUSD cannot replace XRP’s role in facilitating liquidity movement across markets. The post also referenced the International Monetary Fund’s latest report on tokenized finance. It says that the same liquidity challenges identified by the IMF are precisely the problems a neutral digital asset is designed to solve. The comments come as discussions surrounding tokenized finance, stablecoins, and blockchain-based settlement systems continue to expand across the financial sector. Ripple’s RLUSD stablecoin has become part of that discussion, with some market participants questioning whether the growth of stablecoins could reduce the importance of bridge assets like XRP . A must read! People get the relationship of XRP and tokens wrong. XRP is the swap kid. Issued assets like RLUSD can never replace XRP in being the swap kid. The same problem that a neutral digital asset solves for liquidity pools was described in the latest IMF report btw. https://t.co/RYPdPaKlYV pic.twitter.com/xLPFRI0CO6 — Vet (@Vet_X0) May 20, 2026 IMF Report Highlights Liquidity Fragmentation Risks Vet’s argument closely aligns with ideas outlined in the April 2026 IMF note on tokenized finance authored by Tobias Adrian. The report examined how tokenization could reshape global financial infrastructure while also introducing new liquidity challenges. One of the report’s key concerns centers on liquidity fragmentation. According to the IMF note, tokenized financial systems could become divided into isolated digital environments when different forms of tokenized money struggle to interact efficiently. The report explained that instant settlement systems create a need for continuous access to liquidity rather than the delayed settlement structures used in traditional banking. This creates operational pressure for institutions handling multiple tokenized assets across different currencies and ledgers. Financial institutions could face increased costs if they are forced to maintain large liquidity for every possible combination of currency pair or tokenized asset. Vet’s post suggested that XRP addresses this exact issue, functioning as a neutral intermediary asset capable of bridging different forms of tokenized value. Why RLUSD and XRP Are Not Direct Competitors The validator’s post emphasized that RLUSD and XRP should not be viewed as competing products. RLUSD is a fiat-backed stablecoin tied to the U.S. dollar, meaning its primary purpose is to provide stable digital dollar liquidity on-chain. XRP, meanwhile, functions differently because it is not tied to any single national currency or central bank system. According to the argument presented in the X post, stablecoins such as RLUSD are designed to represent specific fiat currencies, as XRP operates as a bridge asset that can facilitate swaps between entirely different tokenized assets and currencies. Under that framework, XRP becomes useful in situations where institutions need to move value between multiple tokenized systems without relying on large pre-funded accounts across every currency corridor. The validator argued that this role becomes increasingly important as tokenization expands globally. XRP’s Position in Future Financial Infrastructure Vet concluded the post by connecting XRP’s functionality directly to the IMF’s discussion about continuous liquidity management in tokenized finance. The validator argued that the more tokenized assets enter the market, the greater the need for a neutral asset effectively linking fragmented liquidity pools. The post presents XRP not as a replacement for stablecoins, but as infrastructure designed to connect them. In that context, RLUSD represents tokenized fiat value, while XRP serves as the mechanism that allows value to move between different tokenized ecosystems in real time. Disclaimer : This content is meant to inform and should not be considered financial advice. The views expressed in this article may include the author’s personal opinions and do not represent Times Tabloid’s opinion. Readers are advised to conduct thorough research before making any investment decisions. Any action taken by the reader is strictly at their own risk. Times Tabloid is not responsible for any financial losses. Follow us on X , Facebook , Telegram , and Google News The post Top XRP Ledger Validator Says This Is a Must Read for All XRP Holders appeared first on Times Tabloid .
22 May 2026, 09:00
CLARITY Act Under Fire As Hayes Presses Trump To Shut It Down
Brian Armstrong’s role in the crypto regulation push became a flashpoint when BitMEX co-founder Arthur Hayes called out the Coinbase CEO by name during a recent interview. Hayes said Armstrong is acting in the best interest of his shareholders — not the wider crypto community. Hayes Flags Growing Crypto Divide Amid CLARITY Act Debate Hayes made the remarks on The Wolf Of All Streets, where he spoke at length about the proposed CLARITY Act and what he sees as a growing disconnect between large crypto companies and everyday users. He questioned whether big corporate players truly look out for retail investors or open-source developers, suggesting their priorities lie elsewhere. Hayes drew a sharp line between institutional interest in crypto and what he believes Bitcoin was built for. Banks, he said, are moving into the space because their clients want protection against inflation and the erosion of fiat currency — not because they believe in what crypto stands for. Arthur Hayes: Trump Should Veto the CLARITY Act BitMEX founder Arthur Hayes @CryptoHayes said in a May 13 interview with The Wolf Of All Streets that he hopes Trump vetoes the CLARITY Act. He argued that if Bitcoin and crypto need regulation to survive, they are “not worth a… pic.twitter.com/BRTjUMksD6 — Wu Blockchain (@WuBlockchain) May 20, 2026 Bitcoin’s track record during periods of heavy money printing is what draws institutional money in, according to Hayes, but that interest comes with strings attached. When Regulation Becomes The Problem Hayes wants US President Donald Trump to veto the CLARITY Act if it reaches his desk. His argument is straightforward: regulation was never the thing keeping crypto alive, and it should not be treated as a lifeline now. Turning Bitcoin into a product managed by traditional financial institutions — wrapped in derivatives and held on bank balance sheets — strips it of the very thing that makes it different, Hayes said. He challenged the idea that crypto needs a seat at the traditional finance table. If the end result is just another financial instrument sitting inside the existing system, Hayes argued, then nothing has really changed. The crypto industry already has that in other forms. A Divided Industry The debate over the CLARITY Act reflects a split that has been building inside the crypto world for some time. Those in favor of the legislation believe clear rules would bring credibility and attract more institutional money into digital assets. Hayes sits firmly on the other side, warning that too much integration with mainstream finance could hollow out what makes decentralized systems worth building in the first place. No veto has been issued. The CLARITY Act continues to move through the legislative process, and the industry remains divided on which path leads to a stronger future for crypto. Featured image from Pexels, chart from TradingView
22 May 2026, 09:00
Saylor Says Bitcoin Could Triple S&P 500 Returns: ‘We Expect 30%’
Michael Saylor is calling $60,000 Bitcoin’s floor. The Strategy co-founder made the claim during a Thursday appearance on CNBC’s Squawk Box, saying the asset is now entering what he described as a “spring phase” — backed by solid support levels and a favorable broader market environment. Related Reading: Zcash Soars 88% In 30 Days: Is ZEC The Stealth Winner Of This Crypto Cycle? A Target Built On Bold Math Saylor’s confidence ties back to a specific projection he has held for some time: a 30% average annual return for Bitcoin. That number forms the backbone of his prediction that Bitcoin will hit $13 million by 2045, a figure he arrived at by modeling a 29% yearly return sustained over roughly 19 years. Among the forces he expects to drive that growth are institutional adoption, government-level treasury strategy, and Bitcoin’s fixed supply — factors he believes will pull capital away from gold and traditional financial markets. $MSTR Co-Founder @saylor explains why he thinks $BTC will outperform the S&P 500 over time:https://t.co/REOnScJVPZ — Squawk Box (@SquawkCNBC) May 21, 2026 The S&P 500, one of the most closely watched benchmarks in global finance, tracks 500 of the largest publicly traded companies in the US. It has delivered an average annual return of around 10%, making it a reliable standby for investors who want steady, long-term growth. Saylor is betting Bitcoin can do triple that — a claim he repeated plainly on Squawk Box: “We expect 30%.” Numbers Tell A Complicated Story The current numbers don’t immediately support his case. As of the time of his interview, Bitcoin was down 12% for the year while the S&P 500 had gained 8%, according to Google Finance. Saylor has long maintained that short-term swings don’t define Bitcoin’s trajectory, and he reiterated that position Thursday, pointing instead to what he sees as a building wave of regulatory and institutional support. Among the specific developments he cited was the CLARITY Act, which cleared the US Senate Banking Committee last week with bipartisan support after months of delays. He also pointed to upcoming innovation exemption guidelines from the US Securities and Exchange Commission aimed at allowing securities tokenization on crypto networks, calling it a potentially major development for the industry. Related Reading: Analyst Warns XRP Could ‘Shake Out’ Traders Before Major Breakout Looking Ahead To A Bigger Market Share Saylor has made similar predictions before. Earlier this year, he said Bitcoin would double or triple the S&P 500’s returns over the next four to eight years. His longer-range view sees Bitcoin eventually overtaking gold in total market value by 2035, pulling in fresh capital that was previously locked in conventional assets. Featured image from Unsplash, chart from TradingView
