Crypto
Key Ethereum Researcher Josh Stark Leaves Ethereum Foundation
Josh Stark, a prominent researcher and project manager at the Ethereum Foundation, has announced his departure after five years with the organization.
Stark shared the news on Thursday, saying he plans to take time off and has no immediate plans for his next move.
Stark Steps Away After Five Years
In a post, Stark reflected on Ethereum’s journey, highlighting how the ecosystem has consistently overcome skepticism and technical challenges.
He pointed to milestones such as the launch of Ethereum, the rise of decentralized finance, and the successful transition to Proof of Stake as achievements that many once thought impossible.
Stark did not provide a specific reason for his departure, stating only that he intends to focus on personal time with family and friends.
High-Profile Exit Amid Ongoing Changes
Stark’s exit marks one of the most significant departures from the Ethereum Foundation since its leadership shakeup in early 2025.
He was one of just four individuals listed under “Management” in the Foundation’s organizational structure, making his role particularly influential within the ecosystem.
His departure follows another recent exit, with contributor Trent Van Epps also stepping down from the organization.
Ethereum Foundation’s 2025 Restructuring
The Ethereum Foundation underwent major changes in 2025 after co-founder Vitalik Buterin outlined a new direction for the organization.
The restructuring aimed to bring in fresh talent, increase decentralization, and focus on improving network performance, including faster transaction speeds and scalability.
At the time, Buterin emphasized that the Foundation would not engage in political lobbying or represent specific vested interests, reinforcing its neutral role within the ecosystem.
Leadership Changes Continue
As part of the 2025 overhaul, the Foundation appointed Hsiao-Wei Wang and Tomasz Stańczak as co-directors.
However, Stańczak stepped down from his role in February 2026, leaving Wang as a continuing member of the management board.
Stark’s departure adds to the ongoing leadership transitions, raising questions about how the Foundation’s structure and priorities may continue to evolve.
Ethereum Ecosystem Moves Forward
Despite the changes, the Ethereum ecosystem continues to develop, with ongoing work around scalability, decentralized applications, and financial infrastructure.
Stark’s exit reflects a broader period of transition within the Foundation, as it adapts to new challenges and opportunities in the rapidly evolving crypto landscape.
Crypto
Japan to Test Government Bonds as Digital Collateral on Canton Network
Japan is taking another step toward modernizing its financial infrastructure, with a new pilot exploring how government bonds can function as digital collateral on blockchain rails.
Major Institutions Join Digital Collateral Trial
The Japan Securities Clearing Corporation (JSCC), part of the Japan Exchange Group, is leading the initiative alongside:
- Mizuho Financial Group
- Nomura Holdings
- Digital Asset
Together, they will test whether Japanese government bonds can be digitized and used efficiently within blockchain-based financial systems.
Bringing Government Bonds Onchain
The pilot focuses on using Japanese Government Bonds (JGBs) as digital collateral on the Canton Network.
Key objectives include:
- Enabling onchain transfer and management of bonds
- Preserving their legal status under existing regulations
- Testing integration with current financial infrastructure
The goal is to determine whether traditional assets can move seamlessly into blockchain environments without disrupting legal frameworks.
Toward Real-Time, 24/7 Collateral Markets
One of the most important aspects of the trial is exploring real-time collateral usage.
Unlike traditional systems that operate within limited hours, blockchain infrastructure could enable:
- 24/7 collateral transfers
- Faster settlement times
- Cross-border efficiency
This could significantly improve how financial institutions manage liquidity and risk.
Backed by Japan’s Financial Regulator
The initiative has been selected by the Financial Services Agency under its Payment Innovation Project.
This signals strong regulatory support for experimenting with distributed ledger technology in core financial markets.
Building on Global Momentum
Japan’s move follows similar experiments in other markets.
A previous Canton Network pilot tested tokenized US Treasuries as reusable collateral among major global banks, demonstrating how high-quality assets can circulate more efficiently onchain.
The new trial extends that concept to one of the world’s largest sovereign bond markets.
Implications for Financial Infrastructure
If successful, the project could:
- Redefine how collateral is managed globally
- Improve capital efficiency for institutions
- Accelerate the adoption of blockchain in traditional finance
However, no timeline for a full commercial rollout has been announced yet.
A Step Toward Tokenized Finance
This initiative highlights a broader trend of integrating traditional financial assets into blockchain systems.
By testing government bonds as digital collateral, Japan is positioning itself at the forefront of the shift toward tokenized financial infrastructure.
Crypto
ZachXBT Pressures MemeCore Over Token Supply and Valuation
Onchain investigator ZachXBT has publicly challenged MemeCore to justify both its token valuation and supply distribution, raising fresh concerns about transparency in the wake of recent market turbulence.
Questions Over $6B Valuation
ZachXBT called on MemeCore to explain how its M token achieved a multibillion-dollar valuation.
At the time of scrutiny:
- CoinMarketCap valued the token at around $4.3 billion
- CoinGecko placed it closer to $6 billion
Despite the strong market cap, ZachXBT questioned whether there is any fundamental data supporting such a high valuation.
Insider Supply Concerns
A central issue raised was token concentration.
ZachXBT claimed that over 90% of the token supply may be held by insiders, asking the project to clarify:
- How supply is distributed
- What portion is actually circulating
- Whether large holders are team-controlled wallets
Blockchain analytics platform Bubblemaps showed significant concentration among top wallets, though analysts noted that some holdings could be allocated but not yet in active circulation.
No Definitive Proof Yet
While ZachXBT has not provided conclusive onchain evidence confirming the 90% insider claim, he has indicated that further investigation is underway.
MemeCore has not yet publicly responded to the allegations.
Scrutiny Follows RAVE Token Collapse
The investigation comes shortly after the dramatic سقوط of the RAVE token, which:
- Surged from $0.25 to nearly $28
- Then crashed more than 90% within days
ZachXBT previously alleged that RaveDAO may have orchestrated a pump-and-dump scheme, pointing to concentrated holdings and unusual exchange flows.
RaveDAO has denied these accusations, while exchanges including Binance and Bitget are reviewing the situation.
Wider Probe Into Suspicious Tokens
ZachXBT suggested that the issue may extend beyond a single project.
Other tokens flagged for questionable activity include:
- SIREN
- MYX
- COAI
- M (MemeCore)
- PIPPIN
- RIVER
He indicated that these projects may show similar patterns of rapid price increases followed by sharp declines.
Growing Focus on Transparency
The situation highlights ongoing concerns in the crypto market around:
- Token distribution transparency
- Insider control of supply
- Market manipulation risks
As new tokens continue to launch with high valuations, scrutiny from onchain analysts is becoming an increasingly important check on market behavior.
Crypto
Strategy Buys $2.5B in Bitcoin, Holdings Surpass 800,000 BTC
Michael Saylor’s company Strategy has made another massive Bitcoin purchase, pushing its total holdings past 800,000 BTC and reinforcing its position as the largest public holder of the asset.
Massive $2.5 Billion Bitcoin Purchase
Strategy acquired 34,164 Bitcoin for approximately $2.54 billion between April 13 and April 19, according to a recent SEC filing.
The purchase ranks as the company’s third-largest Bitcoin buy ever, highlighting its continued aggressive accumulation strategy.
The coins were bought at an average price of $74,395 per BTC, slightly below Strategy’s overall average purchase price.
Total Holdings Now Above 800K BTC
Following the latest acquisition, Strategy now holds:
- 815,061 BTC total
- Purchased for roughly $61.56 billion
This milestone comes just one week after the company revealed a separate $1 billion Bitcoin purchase, showing how rapidly it continues to scale its position.
Funded Largely Through STRC Offering
A significant portion of the latest purchase was funded through Strategy’s preferred stock offering:
- $2.18 billion (85.7%) came from STRC issuance
- $366 million came from selling Class A shares (MSTR)
The STRC program has become a core funding mechanism for Strategy’s Bitcoin accumulation strategy.
Record-Breaking Buying Activity
The company also set new internal records during the buying period.
On April 13 and 14 alone, Strategy executed massive purchases tied to its at-the-market (ATM) program:
- ~7,741 BTC in one day
- ~9,364 BTC the next day
Combined, these two days accounted for over 17,000 BTC, marking a sharp increase compared to previous weekly averages.
Saylor Teased the Move
Michael Saylor hinted at the purchase ahead of time with a cryptic “Think Even Bigger” post, a pattern he has used before major acquisition announcements.
Dividend Strategy to Boost Demand
Alongside its Bitcoin buying spree, Strategy is also exploring changes to its investor offering.
The company recently proposed semi-monthly dividend payments for its STRC preferred shares, aiming to:
- Stabilize share price
- Increase liquidity
- Attract more investor demand
If approved, Strategy would become one of the few companies globally to offer such frequent dividend payouts.
Strategy Doubles Down on Bitcoin Conviction
This latest purchase reinforces Strategy’s long-term bet on Bitcoin as a primary treasury asset.
Despite market volatility and unrealized losses in prior quarters, the company continues to accumulate aggressively, signaling strong confidence in Bitcoin’s future value.
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