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How Espresso’s HotShot Consensus Addresses the Rollup Centralization and Fragmentation Crisis

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21Shares Introduces JitoSOL ETP to Offer Staking Rewards via Solana

TLDR:

  • Espresso’s decentralized shared sequencer eliminates single points of failure in Rollup transaction ordering. 
  • HotShot consensus achieves two-second finality on devnet with plans for sub-second confirmation by 2026. 
  • Presto enables one-click cross-chain transactions without traditional bridging or additional gas fees. 
  • The network integrates with over 20 chains while preserving Rollup sovereignty through flexible participation.

 

The rapid proliferation of Layer 2 Rollups has created two fundamental problems that threaten ecosystem cohesion. Fragmentation prevents seamless interaction between chains, while centralized sequencers introduce censorship risks and single points of failure.

Espresso Systems addresses both challenges through a decentralized shared sequencer network powered by HotShot consensus.

The protocol raised $60 million from a16z and Coinbase Ventures to build infrastructure connecting over 20 chains with fast finality and cross-chain composability.

Cross-Chain Composability Addresses Rollup Fragmentation Crisis

The fragmentation dilemma emerged as rollups multiplied without standardized interoperability protocols. Applications and liquidity became isolated across separate Layer 2 ecosystems.

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Users faced complex bridging processes and high costs when moving assets between chains. This fragmentation undermined the composability that makes Ethereum’s base layer valuable for developers.

Espresso tackles this problem through its confirmation layer architecture designed to achieve cross-chain composability.

According to the official website, the network provides reliable state views for other chains, bridges, and applications through real-time confirmation.

Smart contracts deployed on different Rollups can directly communicate without traditional bridging infrastructure. This restores the seamless interaction developers expect from integrated blockchain environments.

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The Presto solution demonstrates practical fragmentation resolution through one-click cross-chain transactions. The system leverages Espresso’s fast finality to enable direct chain communication.

A partnership with Rarible showcased cross-chain NFT minting at the Devcon developer conference. The demonstration proved users could mint NFTs across chains without bridging or extra gas fees.

Technical performance supports these composability goals with measurable improvements. The current devnet achieves two-second finality with 5 MB/s throughput.

Official updates note this represents three times faster confirmation and five times higher capacity compared to mainnet. The development roadmap projects sub-second finality by 2026 as optimization continues.

Decentralized Sequencing Eliminates Centralization Vulnerabilities

Centralized sequencing represents the second critical vulnerability in current rollup architecture. Most Layer 2 networks rely on single sequencers controlled by project teams.

These operators possess unilateral power to order, delay, or exclude transactions from blocks. The arrangement creates censorship vectors and introduces catastrophic failure risks if operators go offline.

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Espresso replaces centralized control with a distributed validator network operating globally. The shared sequencer accepts transaction blocks from connected Rollups for collective confirmation.

HotShot consensus serves as the Byzantine Fault Tolerance protocol ensuring distributed agreement among validator nodes. This architecture eliminates single points of failure while distributing censorship resistance across the entire network.

Protocol-level safeguards enforce decentralization guarantees for settlement on Ethereum’s base layer. The system ensures only blocks confirmed by Espresso validators can finalize on Layer 1.

This restriction prevents Rollup operators from bypassing consensus through direct submission. The mechanism guarantees all transactions undergo distributed validation before achieving finality.

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The business model preserves Rollup sovereignty despite shared infrastructure. Official statements emphasize Rollups can freely choose to fully rely on the network, partially participate, or run independent sequencers.

This flexibility allows projects to access decentralization benefits without surrendering operational control. Partnerships with Arbitrum, Optimism, and Polygon demonstrate major ecosystem acceptance of the shared sequencing approach.

 

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Crypto World

Pompliano Says Cooling Inflation Tests Bitcoin Investors’ Conviction

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Bitcoin holders may be entering a different phase of the market cycle as inflation eases, according to entrepreneur and investor Anthony Pompliano, who says the asset’s core thesis is now being challenged.

Key Takeaways:

  • Pompliano says easing inflation is testing Bitcoin investors’ long-term conviction.
  • Bitcoin’s scarcity thesis depends more on money supply expansion than short-term CPI moves.
  • Weak sentiment and macro uncertainty may pressure prices before a potential recovery.

In an interview with Fox Business on Thursday, Pompliano argued that many investors first turned to Bitcoin during a period of rising prices and aggressive monetary expansion.

With inflation slowing, he said, the real question is whether participants still believe in Bitcoin’s long-term purpose.

Pompliano: Bitcoin’s Case Tested Without High Inflation

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“I think the challenge for Bitcoin investors, can you hold an asset when there is not high inflation in your face on a day-to-day basis?” he said.

“Can you still believe in what Bitcoin’s value proposition is, which is that it’s a finite-supply asset. If they print money, Bitcoin is going higher.”

Government data shows inflation cooling modestly. The Consumer Price Index slowed to 2.4% in January from 2.7% a month earlier, according to the US Bureau of Labor Statistics.

Even so, Moody’s Analytics chief economist Mark Zandi recently told CNBC that the improvement appears stronger in statistics than in everyday costs faced by consumers.

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Bitcoin has long been promoted as a hedge against currency debasement because its supply is capped at 21 million coins.

When central banks expand liquidity and weaken purchasing power, investors often move toward scarce assets, including Bitcoin and gold, both of which Pompliano described as durable long-term stores of value.

Market sentiment, however, has deteriorated. The Crypto Fear & Greed Index recently dropped to an “Extreme Fear” reading of 9, a level not seen since June 2022.

Bitcoin was trading near $68,850 at publication, down roughly 28% over the past month, according to CoinMarketCap.

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Pompliano expects macroeconomic conditions to create turbulence before any sustained recovery.

He anticipates deflationary pressures in the short run, followed by policy responses such as rate cuts and renewed liquidity injections.

“We’re going get deflationary-type forces in the short term, people are going to ask to print money and to drop interest rates,” he said.

He described the dynamic as a “monetary slingshot,” where currency devaluation occurs while falling prices temporarily obscure its effects.

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Over time, he argued, additional money creation would weaken the U.S. dollar and strengthen scarce assets.

Bitcoin Slides as US Jobs Revision Shakes Market Confidence

Bitcoin’s recent decline followed a sharp shift in economic expectations after US authorities revised last year’s employment data lower by nearly 900,000 jobs.

While January payrolls showed a modest gain of 130,000 positions, the large adjustment undermined confidence in earlier reports and unsettled financial markets.

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Investors reacted less to the weak headline figure and more to the reliability of the data itself, as uncertainty tends to weigh heavily on risk assets.

The change quickly rippled across markets. US Treasury yields rose, with the 10-year moving from about 4.15% to 4.20%, while expectations for a March interest-rate cut dropped sharply from 22% to 9%.

Derivatives activity also intensified, with large traders increasing hedging positions against further downside.

Analysts noted that preliminary labor estimates, including statistical models used during economic transitions, may have overstated job creation in prior readings.

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For Bitcoin, the bond market remains a key signal. Higher yields typically tighten liquidity conditions, making it harder for speculative assets to recover.

Although some traders believe prices could be nearing a bottom, current market behavior suggests hesitation.

The post Pompliano Says Cooling Inflation Tests Bitcoin Investors’ Conviction appeared first on Cryptonews.

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ARK Invest Buys $15M Coinbase Shares After Recent Selling

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ARK Invest Buys $15M Coinbase Shares After Recent Selling

ARK Invest has returned to buying shares of Coinbase Global after trimming its position, adding roughly $15 million worth of stock across several of its actively managed exchange-traded funds (ETFs) on Friday.

The Cathie Wood-led asset manager purchased 66,545 Coinbase shares through the ARK Innovation ETF (ARKK), 16,832 shares through Next Generation Internet ETF (ARKW) and 9,477 shares through Fintech Innovation ETF (ARKF), according to the firm’s daily trade disclosures.

The buying activity coincided with a sharp surge in Coinbase stock. Shares closed the trading session at $164.32, up about 16.4% on the day, before edging higher in after-hours trading, according to data from Google Finance. The surge put the firm’s total purchase at roughly $15.2 million.

Alongside Coinbase, ARK also increased its stake in Roblox Corporation, buying shares in ARKK, ARKW and ARKF. Roblox closed near $63.17 on the New York Stock Exchange on Friday.

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Coinbase shares surged 16% on Friday. Source: Google Finance

Related: Coinbase unveils crypto wallets designed specifically for AI agents

ARK cuts Coinbase shares across ETFs

Last week, ARK Invest reduced its exposure to Coinbase, selling about $17.4 million in Coinbase stock on Feb. 5 for the first time this year and its first reduction since August 2025.

The exchange then sold another $22 million worth of Coinbase shares across several ETFs on Feb. 6, while increasing its position in digital-asset platform Bullish.

As Cointelegraph reported, Coinbase became the top detractor across several of Cathie Wood’s ARK Invest ETFs in the fourth quarter of 2025, as a broader crypto market pullback pressured performance. Shares of Coinbase fell more sharply than both Bitcoin (BTC) and Ether (ETH) during the quarter.

Related: Coinbase bets on Backstreet Boys nostalgia in return to Super Bowl

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Coinbase posts $667 million Q4 loss

Coinbase reported a net loss of $667 million in the fourth quarter of 2025, ending an eight-quarter run of profitability. Earnings per share came in at 66 cents, missing analyst expectations of 92 cents, while net revenue fell 21.5% year-over-year to $1.78 billion. Transaction revenue dropped nearly 37% to $982.7 million, although subscription and services revenue rose more than 13% to $727.4 million.