February 25, 2026

Capitalizations Index – B ∞/21M

Digital Insurance Provider on Blockchain, Black Insurance Ropes in Professor Alex

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Digital Insurance Provider on Blockchain, Black Insurance Ropes in Professor Alex

The goal of this platform is to empower the insurance brokers by connecting them directly with capital, allowing them to launch their own virtual insurance companies.

Black Insurance is delighted to announce that the company has recently engaged the renowned scientist and technology expert Professor Alex Norta as the Scientific Advisor for their upcoming blockchain venture. As part of the team, Prof. Norta will help Black Insurance write their scientific whitepaper.

Black promises to be a gamechanger in the world of digital insurance by using the blockchain to transfer risk directly from clients to financial backers.

In spite of its immense potential, the global insurance industry faces several serious challenges. The products are created by insurance companies, allowing many different parties in the system such as the re-insurers, insurers, MGA’s, agents, brokers, third parties and wholesale brokers.

Therefore, launching an insurance product takes a lot of time. As a result, the insurance brokers with a thorough understanding of the market fail to deliver the desired product fast enough. The involvement of too many parties also results in high costs and barriers in entry.

As a licensed insurance company, Black proposes to solve the current inadequacies of the insurance industry by providing insurance capacity to agents, brokers and MGAs, enabling them to launch their own virtual insurance companies.

The platform will eliminate the traditional overheads of an insurance company while using blockchain as the main platform to get rid of the centralized insurance companies.

Some of the key benefits of Black Insurance include

Minimizing all inefficiencies
Secure storage of data in blockchains
Business operations using smart contracts
Faster innovation by platform members

The new Scientific Advisor for Black Insurance, Professor Alex Norta is the owner of Norta & Partners, offering holistic consultation and software development service in the field of blockchain technology. He has advised and written whitepapers for many successful blockchain projects such as: Neo, Qtum, Cedex, Datawallet, Cashaa and many more.

In the past, he has worked as a post-doctorial researcher on the SOAMeS project at the computer-science department of Helsinki University. His research on a PhD about dynamic inter-organizational business process collaboration was featured in an FP6-EU research project called CrossWork.

Prof. Norta explains:

“The insurance industry today is slow with bringing products to market because of excessive bureaucracy that distorts free-market mechanisms to the detriment of customers. Blockchain technology is a means to replace this excessive bureaucracy with a novel control mechanism that is much cheaper, faster and more trustable. Thus, the insurance industry can start to meet the markets needs quick and in a cost effective way.”

The concept derived by the team Black Insurance has already gained momentum in the global blockchain community. Earlier this year, the company participated in a panel discussion about regulations on blockchain in EU and Estonia at the Tallinn Blockchain Conference.

The team also secured the second place at the recently held d10e Tokyo ICO Pitch Competition, with their idea and vision receiving great feedback from the eminent participants. In the days to come, Black Insurance will take part in numerous poplar blockchain events and conferences across the globe.

Highlighting the potential of Black Insurance, the company’s founder Risto Rossar said:

“I have been in the insurance industry for over eighteen years and I realized that I don’t care about insurance. In fact, no one should care about insurance. It should be as simple as breathing and work without customers having to worry about it. We can solve a lot of inefficiencies through technology and will disrupt the insurance industry from the inside, building a seamless process that customers don’t have to deal with.”

About Black Insurance

Black is a digital insurance company on blockchain. The platform connects insurance brokers directly with capital, enabling them to launch their own virtual insurance companies. Black looks to make the global insurance industry more efficient by removing the third parties from the value chain.

The post Digital Insurance Provider on Blockchain, Black Insurance Ropes in Professor Alex appeared first on CoinSpeaker.

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How Bulletproofs Could Make Bitcoin Privacy Less Costly

bulletproofs

Bulletproofs, presented in a paper titled “Bulletproofs: Short Proofs for Confidential Transactions and More,” describe a new zero-knowledge proof system. The proposal uses on-chain scaling for privacy and suggests a new, faster and more compact way to verify privacy-enhancing Confidential Transactions (CTs). Specifically, Bulletproofs can decrease the size of these verifications for these types of transactions drastically. Furthermore, the authors of the paper — Stanford University’s Applied Cryptography Group, overseen by professor Dan Boneh — have already managed to create a practical implementation for Bulletproofs.

This is how it works.

Currently, all transaction information — such as wallet addresses and especially the sent amount of bitcoins — are visible on the bitcoin blockchain. This affects the privacy of all users. If we wish to pay wages via the bitcoin network, for example, this means that every salary will be visible on the blockchain network. This, in turn, could mean that someone (like your landlord) could look up how much money you’re making to try and increase your rent accordingly.

Confidential Transactions are much needed to bring any type of blockchain to a higher level of privacy. Confidential Transactions combine and utilize several cryptographic tricks so that only the sender and the receiver of a transaction are aware of the amount transacted. These cryptographic tricks let users obfuscate the amounts they are transacting while still allowing onlookers to perform math on the obfuscated amounts. Basically, anyone can still check that the sum of sent bitcoins is greater than the sum of received bitcoins.

Confidential Transactions are realized with “zero-knowledge proofs.” These proofs are best described as a method for proving to another party that a Confidential Transaction is valid without conveying any information about the Confidential Transaction itself.

However, as stated in the Bulletproofs paper: “Current proposals for CT zero-knowledge proofs have either been prohibitively large or required a trusted setup. Neither is desirable.”

First of all, if we have to prove multiple range proofs, which is the case for multisignature transactions, the complexity and size will scale in a linear fashion. For example, if the size of a single proof is 2 kB, two proofs are 4 kB, three proofs are 6 kB and so on.

Additionally, zero-knowledge proofs typically require a trusted setup: they must be initialized by some trusted authority. However, the security properties of the bitcoin system don’t apply to that authority because in practice it means that the authority could produce fake “proofs.” These fake proofs could lead to uncontrolled and undetectable inflation.

Bulletproofs could solve these problems.

According to the paper, “In any distributed system where proofs are transmitted over a network or stored for a long time, short proofs reduce overall cost.”

Bulletproofs are claimed to be able to reduce the cryptographic proof significantly: from 8 kB to 734 bytes, though this depends on what the transaction looks like. Moreover, when dealing with multiple proofs, the size increases with just a few percent instead of this linear scaling. And in addition, Bulletproofs do not require a trusted setup.

Andrew Poelstra, contributor to the research paper and mathematician at Blockstream, believes that Bulletproofs are very practical: “We have already implemented a first version in the bitcoin crypto library libsec256k1, which can verify proofs three and a half times faster than the verifier for the classic rangeproofs. It is a drop-in replacement for classic rangeproofs that does not affect other aspects of the system and is therefore very easy to integrate.”

Until now, Confidential Transactions were just a theoretical concept because they were so heavy to implement. With Bulletproofs, the implementation of Confidential Transactions on bitcoin suddenly becomes more likely.

The post How Bulletproofs Could Make Bitcoin Privacy Less Costly appeared first on Bitcoin Magazine.