Originally, this restriction aimed to discourage excessive use of block space for non-payment purposes. However, developers now say the limit no longer serves a purpose and that its removal will lead to a more efficient and transparent data flow.

What Is the Impact of Removing OP_RETURN?

OP_RETURN is a special transaction output that allows small pieces of data to be stored on the Bitcoin blockchain. It gained popularity during the ordinals hype in early 2024. Unlike standard outputs, OP_RETURN data is unspendable and doesn’t bloat the UTXO set.

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Users had already found ways to bypass the restriction, often using fake output addresses that were more damaging to the network. Developers argue that lifting the limit will promote network consistency, a cleaner UTXO set, and better reflect real-world Bitcoin usage.

Mixed Reactions from the Community

The change is not without controversy. Well-known Bitcoiner Samson Mow commented that users could simply stick with version 29.0 or use an alternative client. Others criticized the lack of proper consensus, suggesting the update was rushed without broader agreement.

The decision reignites a long-standing debate: Is Bitcoin solely a financial tool, or should it also function as a decentralized publishing platform?

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The post Bitcoin Core Removes Controversial OP_RETURN Limit appeared first on Coin Engineer.

The initial transaction used a “default or conservative” fee setting. The user’s first RBF attempt doubled the fee and altered the output address. But instead of confirming either of these transactions, a final RBF with a dramatically higher fee overrode them, causing the entire amount of the change — 0.75 BTC — to be included as miner reward.

Satoshi Error or Bug in Wallet Script?

According to Anmol Jain, VP of Investigations at AMLBot, the user may have made a simple yet costly mistake in fee calculation. Jain suggested the user likely meant to enter 30.5692 sat, but accidentally typed 305,692 sat — or confused sat/vB with total satoshis.

Another theory is that an automated wallet script contained a miscalculation. Some wallets allow fee settings in sats/vB, and such confusion can arise if the system interprets a small value as too low and prompts the user to increase it. Jain explains:

“User types 305000 thinking it’s 30.5 sat/vB, but the wallet applies 305,000 sat/vB — which is insane.”

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The mistake caused the wallet to treat a full UTXO of nearly 0.75 BTC as a transaction fee, likely due to not properly updating the change address or misreading the transaction structure. Both earlier transactions remained unconfirmed while the highest-fee version went through.

RBF: Flexible Feature or Dangerous Tool?

Replace-by-fee is a controversial but core feature in Bitcoin. It allows users to replace unconfirmed transactions with higher-fee versions. Miners, motivated by profit, are expected to confirm the version that offers a higher reward.

This mechanism has sparked debate. In 2019, Bitcoin Cash advocate Hayden Otto claimed RBF enabled double-spending. Bitcoin Cash removed RBF support and claimed unconfirmed transactions on its network were final and trustworthy.

Despite this, RBF-like behaviors have occurred on Bitcoin Cash as well, showing that this feature is more a result of blockchain dynamics than a standalone switch.

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The post Panicked Bitcoiner Loses Over $70K in RBF Fee Error! appeared first on Coin Engineer.

The UTXO age band percentage shown in the image refers to the percentage of unspent Bitcoin amount over a certain period of time. For instance, the size of the band between 5-7 years represents the percentage of the total Bitcoin supply of UTXOs in that age range. In general, UTXO age bands can help us understand the presence and behavior of long-term investors in the market.

There are several key points to consider when making a price prediction:

1. Long-Term HODLers: The highest bands of the graph show Bitcoins that haven’t moved for more than 5 years. This may indicate that a large part of the market is controlled by long-term investors. These investors trust the market and may be expecting long-term value increases, rather than speculative movements.
2. Short-Term Speculation: The lower bands, for example, the band between 3-6 months, represent short-term speculative movements. If these bands are expanding, this may indicate more short-term speculative movements in the market.
3. Market Cycles: The significant peaks and falls in Bitcoin price can often be associated with the expansion or contraction of specific UTXO age bands. For example, at the peak of the market, we can often see long-term holders entering the market to realize profits, creating certain movements in the UTXO age bands.
4. Economic and Political Factors: Macroeconomic conditions, regulatory changes, and developments in other cryptocurrencies also play a role in Bitcoin price predictions.

In conclusion, educated predictions about what the Bitcoin price might be in the future can be made by analyzing the available data and market situation. However, making price predictions for any financial asset or cryptocurrency involves a high degree of uncertainty, and these predictions are based only on assumptions. Always do your research before taking investment decisions, and seek professional financial advice if necessary.

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The post Bitcoin On-Chain Analysis: We Are Just Starting! appeared first on Coin Engineer.

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The fund, called Split Capital, was founded by former LedgerPrime employees Zaheer Ebtikar and Michael Churchouse, along with Nai Boonkongkird. Shiliang Tang, LedgerPrime’s former chief investment officer, will serve as a consultant.

“It’s been a long time coming, but I’m excited to announce the official launch of Split Capital, our liquid digital asset fund,” Ebtikar said in a statement on Friday. “Split Capital has been a concept in my mind for years, and it’s a dream to see it finally come to fruition.”

Key backers of the new fund include Novi Loren, UTXO Management, and Dan Matuszewski, co-founder of CMS Holdings. Split Capital is not disclosing the size of the fund, citing regulatory restrictions.

Fortune first reported the news early Friday.

Long-Term View (LedgerPrime)

According to Ebtikar, Split Capital’s investment strategy will involve taking a longer-term view on token investments, rather than selling digital assets as soon as they become liquid, which is a common strategy among many venture capital firms active in crypto. The new fund is aimed at investors who are willing to invest for the long term, he said.

Ebtikar pointed to a recommendation he and his team made in December 2022 to buy Solana, Lido, and Synapse as an example of the types of token types Split Capital could focus on.

FTX, the defunct crypto exchange, acquired LedgerPrime in 2021. According to his LinkedIn profile, Ebtikar worked as a portfolio manager for a year before leaving in September 2023. Churchouse was also working on the DeFi investment team at Nickel Digital Asset Management.

The post LedgerPrime Former Employees Launch Hedge Fund Focused on Liquid Tokens appeared first on Coin Engineer.