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Arbitrum Sepolia Testnet Halts Block Production in Partial Outage

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Arbitrum Sepolia, the primary testnet for the leading Ethereum Layer-2, has stopped block production. The network suffered a critical consensus failure at block 204606366, causing a chain split between node operators using different CPU architectures.

Developers relying on the testnet for pre-deployment validation are currently stalled as Offchain Labs engineers deploy emergency fixes.

Key Takeaways:
  • Consensus Failure: The chain halted at block 204606366, triggering a major outage that disrupted the network from 6:44 AM to 9:02 PM.
  • Hardware Split: The breakdown was caused by a rare execution deviation where ARM and x86 processors produced conflicting block results.
  • Operator Action: Node runners must currently restart with safety verification flags disabled or migrate entirely to x86 hardware to sync.

Why Did the Arbitrum Sepolia Nodes Split?

The outage is technical, specific, and severe. At block 204606366, the Arbitrum Sepolia sequencer produced a batch that processed differently depending on the validating node’s hardware. Nodes running on ARM architecture calculated a different state root than those on x86 chips, effectively splitting the network’s brain. This deviation forced a halt to block production, as the chain could not reach consensus on a valid path forward.

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Offchain Labs identified the issue as a major outage. While mainnet operations remain unaffected, this incident highlights the fragility of heterogeneous hardware environments in decentralized networks. To resume syncing, node operators on version 3.8.0 must restart with the flag --node.feed.input.verify.dangerous.accept-missing, a command that explicitly bypasses standard input verification protocols. This is a stopgap, not a solution.

Testnets are designed to break so mainnets do not, but reliability on Arbitrum Sepolia has become a recurring friction point. Since the deprecation of the Goerli testnet in March 2024, Sepolia has served as the critical staging ground for dApps before they launch on the main Ethereum Layer-2 network. Frequent downtime here translates directly to delayed mainnet deployments and stalled audit timelines.

This is not an isolated event. The network faced similar stability challenges in August. While other protocols execute smooth, planned infrastructure updates—such as the recent Tellor Palmito testnet upgrade—Arbitrum’s unexpected halts force developers into reactive maintenance.

For institutional players building on Arbitrum, the requirement to swap hardware architectures mid-development to maintain a sync is a red flag for infrastructure maturity. The ecosystem needs stability, not just throughput.

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What to Watch: The Path to Resolution

Offchain Labs has not yet released a permanent patch for the ARM/x86 deviation. At press time, the recommended fix requires manual intervention from every node operator. The team has announced plans for a new Nitro version update and a fresh database snapshot to resolve the compatibility issues fully.

Traders and developers should monitor the official status page for the release of the new snapshot. Until a verified patch confirms cross-architecture consistency, the testnet remains in a fragile state. If the fix lags, deployment schedules across the Arbitrum Orbit ecosystem will slide.

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holds near $1.41 as range tightens, breakout setup builds

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holds near $1.41 as range tightens, breakout setup builds

XRP is holding near $1.41 after a steady session, but price is stuck in a tight range, with neither buyers nor sellers taking control. The longer it stays compressed between support and resistance, the more likely a sharper move becomes.

News Background

  • XRP traded in line with the broader crypto market, with no major token-specific catalyst driving price action.
  • Whale wallets added roughly 40 million XRP over the past week, suggesting accumulation during consolidation.
  • Market sentiment remains tied to macro conditions, with crypto reacting cautiously to interest rate expectations.

Price Action Summary

  • XRP gained about 0.6%, moving from roughly $1.38 to $1.41
  • Price traded within a tight $1.38–$1.43 range
  • Repeated rejection near $1.42 capped upside
  • Buyers defended dips near $1.38, forming higher lows

Technical Analysis

  • XRP is trading in a tightening range, with support near $1.38 and resistance around $1.42.
  • Higher lows suggest buyers are slowly stepping in, but lack of strong follow-through keeps momentum muted.
  • The structure resembles a compression setup, where price coils before a larger move.
  • Volume is slightly elevated but not strong enough yet to confirm a breakout.

What traders say is next?

  • Traders are watching a break above $1.42 for a move toward $1.45–$1.50.
  • If $1.38 support fails, downside could extend toward $1.30.
  • For now, XRP remains range-bound, with the next move likely driven by a break on either side of this tightening range.

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Robinhood Approves $1.5B Share Buyback

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Robinhood Approves $1.5B Share Buyback

Stock and crypto trading platform Robinhood has approved to buy back $1.5 billion worth of its shares.

Robinhood said in a Securities and Exchange Commission filing on Tuesday that the company’s board of directors approved the $1.5 billion share repurchase program, which it will carry out over the next three years.

The program includes $1.1 billion in new incremental capacity, with the remainder rolled over from an older repurchase program.

“Robinhood is a generational company with a massive long-term opportunity,” Robinhood financial chief Shiv Verma said in a statement. “This authorization reflects the confidence of our management team and board in our ability to continue delivering innovative products for customers and creating value for shareholders while returning capital over time.”

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The stock buyback, typically seen as signaling that a company believes its stock is undervalued, comes as shares in Robinhood (HOOD) have struggled so far this year amid a broad downturn in stocks and crypto.

Robinhood also said that its subsidiary, Robinhood Securities, entered a $3.25 billion revolving credit facility with JPMorgan Chase, replacing the prior $2.65 billion facility. It can expand by up to $1.62 billion, bringing the maximum credit to $4.87 billion. 

Robinhood stock tanks nearly 5%

Shares in Robinhood ended trading on Tuesday, down 4.7% to $69.08, closing at the lowest level this year. The stock slightly recovered to $70.90 after hours.

Robinhood’s stock is down almost 39% so far this year and has lost 54.7% since its October all-time high of $152.46, as broader macroeconomic concerns and the Iran war impact stocks.

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HOOD has tanked nearly 39% so far this year. Source: Google Finance 

However, Robinhood’s share price over the past 12 months has seen it gain nearly 43% as its expanded into other products such as prediction markets and banking.

Analyst sentiment aggregator TipRanks puts the 12-month average Robinhood stock price forecast at $123.85 and agrees that the stock is a “strong buy” based on 16 Wall Street analysts.

Related: SEC gives go-ahead to Nasdaq for tokenized trading trial

Robinhood Chain to launch this year 

Despite its share price woes, Robinhood remains committed to crypto and real-world asset tokenization, launching its own Ethereum layer-2 network to testnet in February.

CEO Vlad Tenev said that the network processed 4 million transactions in its first week of public testnet activity.

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Robinhood Chain is designed to support tokenized equities, exchange-traded funds (ETFs) and other traditional financial instruments, and the mainnet launch is planned for later this year.

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