The post Drops 8% Despite 64K Token Buyback appeared on BitcoinEthereumNews.com. Native token of oracle network Chainlink LINK$17.22 plunged through critical support levels on Thursday as institutional selling dominated the session. The token declined 8% from $18.39 to $16.92 over the past 24 hours, falling below a descending trendline that contained recent price action, CoinDesk research’s market insight tool showed. Trading volume surged to 3.94 million units during the initial breakdown, nearly double the average. Recent hourly data shows LINK trapped below $17 in a narrow consolidation range. Multiple attempts to reclaim the $17 psychological level failed as trading activity dropped 58% below session peaks. The compression suggests institutional buyers remain absent despite oversold technical conditions developing. On the news front, real-world asset protocol Ondo Finance named Chainlink the provider of price feeds for over 100 tokenized stocks and ETFs. The service includes streaming data about corporate actions like dividend payments to ensure accurate valuations across multiple blockchains. The partnership also involves Chainlink’s Cross-Chain Interoperability Protocol (CCIP) and collaborations through the Ondo Global Market Alliance. The Chainlink Reserve, which uses protocol revenue from partnerships and services to purchase tokens on the open market, added another 64,445 LINK to its stash on Thursday. That’s the largest nominal acquisition since early August, when the reserve started. It now holds $11 million worth of LINK. What traders should watch: Support/Resistance: Immediate resistance at $17.00 psychological level, stronger resistance at $18.20 from failed recovery attempt. Volume Analysis: Exceptional 3.94 million unit volume during breakdown confirmed institutional selling. Chart Patterns: Descending trendline break triggered accelerated selling through multiple support zones. Targets & Risk: Next support target $16.50 zone, potential deeper correction toward $16.00 if consolidation fails. Disclaimer: Parts of this article were generated with the assistance from AI tools and reviewed by our editorial team to ensure accuracy and adherence to our standards. For more information,… The post Drops 8% Despite 64K Token Buyback appeared on BitcoinEthereumNews.com. Native token of oracle network Chainlink LINK$17.22 plunged through critical support levels on Thursday as institutional selling dominated the session. The token declined 8% from $18.39 to $16.92 over the past 24 hours, falling below a descending trendline that contained recent price action, CoinDesk research’s market insight tool showed. Trading volume surged to 3.94 million units during the initial breakdown, nearly double the average. Recent hourly data shows LINK trapped below $17 in a narrow consolidation range. Multiple attempts to reclaim the $17 psychological level failed as trading activity dropped 58% below session peaks. The compression suggests institutional buyers remain absent despite oversold technical conditions developing. On the news front, real-world asset protocol Ondo Finance named Chainlink the provider of price feeds for over 100 tokenized stocks and ETFs. The service includes streaming data about corporate actions like dividend payments to ensure accurate valuations across multiple blockchains. The partnership also involves Chainlink’s Cross-Chain Interoperability Protocol (CCIP) and collaborations through the Ondo Global Market Alliance. The Chainlink Reserve, which uses protocol revenue from partnerships and services to purchase tokens on the open market, added another 64,445 LINK to its stash on Thursday. That’s the largest nominal acquisition since early August, when the reserve started. It now holds $11 million worth of LINK. What traders should watch: Support/Resistance: Immediate resistance at $17.00 psychological level, stronger resistance at $18.20 from failed recovery attempt. Volume Analysis: Exceptional 3.94 million unit volume during breakdown confirmed institutional selling. Chart Patterns: Descending trendline break triggered accelerated selling through multiple support zones. Targets & Risk: Next support target $16.50 zone, potential deeper correction toward $16.00 if consolidation fails. Disclaimer: Parts of this article were generated with the assistance from AI tools and reviewed by our editorial team to ensure accuracy and adherence to our standards. For more information,…

Drops 8% Despite 64K Token Buyback

2025/10/31 17:45

Native token of oracle network Chainlink LINK$17.22 plunged through critical support levels on Thursday as institutional selling dominated the session.

The token declined 8% from $18.39 to $16.92 over the past 24 hours, falling below a descending trendline that contained recent price action, CoinDesk research’s market insight tool showed. Trading volume surged to 3.94 million units during the initial breakdown, nearly double the average.

Recent hourly data shows LINK trapped below $17 in a narrow consolidation range. Multiple attempts to reclaim the $17 psychological level failed as trading activity dropped 58% below session peaks. The compression suggests institutional buyers remain absent despite oversold technical conditions developing.

On the news front, real-world asset protocol Ondo Finance named Chainlink the provider of price feeds for over 100 tokenized stocks and ETFs. The service includes streaming data about corporate actions like dividend payments to ensure accurate valuations across multiple blockchains. The partnership also involves Chainlink’s Cross-Chain Interoperability Protocol (CCIP) and collaborations through the Ondo Global Market Alliance.

The Chainlink Reserve, which uses protocol revenue from partnerships and services to purchase tokens on the open market, added another 64,445 LINK to its stash on Thursday. That’s the largest nominal acquisition since early August, when the reserve started. It now holds $11 million worth of LINK.

What traders should watch:
  • Support/Resistance: Immediate resistance at $17.00 psychological level, stronger resistance at $18.20 from failed recovery attempt.
  • Volume Analysis: Exceptional 3.94 million unit volume during breakdown confirmed institutional selling.
  • Chart Patterns: Descending trendline break triggered accelerated selling through multiple support zones.
  • Targets & Risk: Next support target $16.50 zone, potential deeper correction toward $16.00 if consolidation fails.

Disclaimer: Parts of this article were generated with the assistance from AI tools and reviewed by our editorial team to ensure accuracy and adherence to our standards. For more information, see CoinDesk’s full AI Policy.

Source: https://www.coindesk.com/markets/2025/10/30/chainlink-s-link-drops-8-below-support-despite-largest-token-buyback-since-august

Disclaimer: The articles reposted on this site are sourced from public platforms and are provided for informational purposes only. They do not necessarily reflect the views of MEXC. All rights remain with the original authors. If you believe any content infringes on third-party rights, please contact service@support.mexc.com for removal. MEXC makes no guarantees regarding the accuracy, completeness, or timeliness of the content and is not responsible for any actions taken based on the information provided. The content does not constitute financial, legal, or other professional advice, nor should it be considered a recommendation or endorsement by MEXC.
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Preliminary analysis of the Balancer V2 attack, which resulted in a loss of $120 million.

Preliminary analysis of the Balancer V2 attack, which resulted in a loss of $120 million.

On November 3, the Balancer V2 protocol and its fork projects were attacked on multiple chains, resulting in a serious loss of more than $120 million. BlockSec issued an early warning at the first opportunity [1] and gave a preliminary analysis conclusion [2]. This was a highly complex attack. Our preliminary analysis showed that the root cause was that the attacker manipulated the invariant, thereby distorting the calculation of the price of BPT (Balancer Pool Token) -- that is, the LP token of Balancer Pool -- so that it could profit in a stable pool through a batchSwap operation. Background Information 1. Scaling and Rounding To standardize the decimal places of different tokens, the Balancer contract will: upscale: Upscales the balance and amount to a uniform internal precision before performing the calculation; downscale: Reduces the result to its original precision and performs directional rounding (e.g., inputs are usually rounded up to ensure the pool is not under-filled; output paths are often truncated downwards). Conclusion: Within the same transaction, the asymmetrical rounding direction used in different stages can lead to a systematic slight deviation when executed repeatedly in very small steps. 2. Prices of D and BPT The Balancer V2 protocol’s Composable Stable Pool[3] and the fork protocol were affected by this attack. Stable Pool is used for assets that are expected to maintain a close 1:1 exchange ratio (or be exchanged at a known exchange rate), allowing large exchanges without causing significant price shocks, thereby greatly improving the efficiency of capital utilization between similar or related assets. The pool uses the Stable Math (a Curve-based StableSwap model), where the invariant D represents the pool's "virtual total value". The approximate price of BPT (Pool's LP Token) is: The formula above shows that if D is made smaller on paper (even if no funds are actually withdrawn), the price of BPT will be cheaper. BTP represents the pool share and is used to calculate how many pool reserves can be obtained when withdrawing liquidity. Therefore, if an attacker can obtain more BPT, they can profit when withdrawing liquidity. Attack Analysis Taking an attack transaction on Arbitrum as an example, the batchSwap operation can be divided into three stages: Phase 1: The attacker redeems BPT for the underlying asset to precisely adjust the balance of one of the tokens (cbETH) to a critical point (amount = 9) for rounding. This step sets the stage for the precision loss in the next phase. Phase Two: The attacker uses a carefully crafted quantity (= 8) to swap between another underlying asset (wstETH) and cbETH. Due to rounding down when scaling the token quantity, the calculated Δx is slightly smaller (from 8.918 to 8), causing Δy to be underestimated and the invariant D (derived from Curve's StableSwap model) to be smaller. Since BPT price = D / totalSupply, the BPT price is artificially suppressed. Phase 3: The attackers reverse-swap the underlying assets back to BPT, restoring the balance within the pool while profiting from the depressed price of BPT—acquiring more BPT tokens. Finally, the attacker used another profitable transaction to withdraw liquidity, thereby using the extra BPT to acquire other underlying assets (cbETH and wstETH) in the Pool and thus profit. Attacking the transaction: https://app.blocksec.com/explorer/tx/arbitrum/0x7da32ebc615d0f29a24cacf9d18254bea3a2c730084c690ee40238b1d8b55773 Profitable trades: https://app.blocksec.com/explorer/tx/arbitrum/0x4e5be713d986bcf4afb2ba7362525622acf9c95310bd77cd5911e7ef12d871a9 Reference: [1]https://x.com/Phalcon_xyz/status/1985262010347696312 [2]https://x.com/Phalcon_xyz/status/1985302779263643915 [3]https://docs-v2.balancer.fi/concepts/pools/composable-stable.html
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PANews2025/11/04 14:00