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From blockchain bridges to DeFi transfers

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Today, paying for purchases in cryptocurrencies no longer seems like something out of the ordinary. Many online stores accept Bitcoin (BTC) and other coins along with traditional currencies, while in some cafes, cryptocurrency holders can even pay using point-of-sale terminals.

However, there is one thing that distinguishes traditional financial systems from cryptocurrencies: advanced interoperability. Thanks to interoperability, cardholders can make payments anywhere in the world without worrying about device compatibility and currency conversion.

Crypto interoperability

An owner of a crypto wallet can only dream of this, but a sign hanging on the door of a restaurant that says “Cryptocurrency accepted here” does not guarantee that patrons will be able to pay for their dessert with Ether (ETH). Instead, a server with a surprised look on their face will say that the restaurant’s terminals work only with Bitcoin.

However, if the visitor’s blockchain wallet and the restaurant terminal were compatible, the client would not have to remember what crypto they have on balance. The only thing that would be needed is to simply scan a QR code, and the system would convert the currency into the one accepted.

In order for users to pay with ETH in stores that accept BTC, their blockchain systems must be cross-chain interoperable. The question remains: Why, even 11 years after the first decentralized systems appeared, is this still a problem? The fact is that until recently, each type of blockchain was built as a separate independent ecosystem, and the developers seemed to be preoccupied more with competing with each other rather than working on things like compatibility.

However, with the growing popularity of decentralized finance in 2020, the issue of cryptocurrency compatibility is getting more relevant than ever. The thing is that the DeFi industry itself was conceived as a single financial ecosystem, the products of which could be compatible with each other. Jonathan Schemoul, the founder of decentralized application network Aleph.im, told Cointelegraph: “By nature, smart contracts are composable, small building blocks that can be combined to abstract away complexity and deliver a smoother experience to the customer.”

Today, DeFi is a market with a volume of locked funds of over $10 billion, which is becoming an alternative to banking services for thousands of users due to attractive rates for loans and deposits offered by DeFi products. An important factor contributing to this sector’s popularity is the successful attempt of DeFi developers to partially solve the compatibility problem. As a result, users can seamlessly exchange different tokens or refinance a loan from one asset to another.

However, despite such grand ambitions, the DeFi sector still lacks bank card compatibility. While fiat currencies can be exchanged anywhere, it’s still harder to bridge crypto to fiat and even harder to bridge crypto to crypto. To evaluate the progress being made by industry players in this direction, it’s important to understand how the concept of interoperability has evolved from the first attempts to bridge the gap between two blockchains to today’s cross-chain DeFi transfers.

2012 to present time

Few people know, but the first attempt to make cryptocurrencies interoperable was made back in 2012 by Joseph Chow. The developer created the BTC-Relay system with the purpose of obtaining information from the Bitcoin chain and using it in Ethereum smart contracts. Funds sent in BTC to an ETH address through a special smart contract that received information on the Bitcoin blockchain would then be transferred to Ethereum as soon as the transaction was confirmed.

In 2017, the first-ever atomic swap took place between the Decred, Litecoin and Bitcoin networks. In the same year, blockchain company Lightning Labs successfully completed an atomic swap between the Bitcoin and Litecoin test networks without registering a transaction on both blockchains. Atomic swaps allow the exchange of cryptocurrencies from different blockchains without involving third parties and underlie peer-to-peer trading on today’s decentralized exchanges. However, not every network can work with this solution. For cross-platform payments, the network must support the Lightning Network and Segregated Witness.

The next big step toward the interoperability of crypto was taken by Bancor in 2018 with the BancorX solution, which allows conversions between any Ethereum-based asset and EOS without the need to deposit funds to the exchange and the need to reconcile orders between buyers and sellers. Any Ethereum-based token can be converted to other EOS-based tokens in one click without conversion fees.

More recently, Javascript creator Brendan Eich has combined several intermediate tokens that can correlate with BTC, Litecoin (LTC), ETH and any other asset in a single Universal Protocol platform. Notably, these tokens are not native to a particular blockchain and can be created on any distributed ledger protocol.

In 2020, technology companies repeatedly noted the importance of combining the efforts of large blockchain platforms, which, until recently, were created autonomously from one another. This year, NEO, Ontology and Switcheo have launched a joint project called Poly Network — a heterogeneous interoperability protocol alliance aimed at seamlessly integrating the Ethereum, Cosmos and NEO blockchains into the larger cross-chain ecosystem.

Is DeFi a breakthrough in cross-chain interaction?

Now getting back to that cafe where a customer wanted to pay with crypto. It doesn’t matter what tokens the customer holds since the establishment of supports systems, such as Wanchain, provides “cross-chain asset transfers,” allows to connect to all the major blockchain platforms like Bitcoin, Ethereum and EOS, and provides asset conversion without the need to change any of the original properties or by a bridging chain.

The emergence of decentralized finance can significantly narrow the gap between crypto and the traditional financial system. Moreover, according to experts, DeFi solutions are able to solve the issue of integrating cryptocurrency into the financial world even faster than the payment industry leaders such as PayPal or Coinbase.

Speaking at Ethereal Summit, Antonio Juliano, the founder of margin lending platform dYdX and, previously, a software engineer at Coinbase, shared his observations on how much effort Coinbase made on traditional financial integrations versus decentralized alternatives: About 75% of the company’s effort goes to dealing with the traditional payment side. And a very small proportion of that […] is actually integrating directly with the crypto side.” Juliano also added that it would be much easier to build these new financial products in DeFi.

Reflecting on whether cryptocurrencies can achieve the same level of fungibility and user experience as traditional payment systems, Peter Mauric, the head of public affairs at blockchain infrastructure firm Parity Technologies, told Cointelegraph that while the decentralized fintech sector is gaining popularity, digital payment applications are simple to implement on scalable, interoperable, crypto-economic networks: “As distrust between users and the traditional financial systems grows, I predict we will start to see blockchain-based payment, lending, saving and banking apps gain in popularity.”

Some cases show that DeFi solutions are already winning this competition. For example, Curve provides efficient interoperability among stablecoins that exceeds what is currently offered by centralized finance.

In less than a year, DeFi projects have reached the level of some banking services, and to some extent, they’ve managed to do what banks have not been able to do so far — to launch cryptocurrency lending and deposit services. Many of these platforms have made significant strides in internal interoperability. For example, Instadapp has created a single point of access to several platforms at once, such as MakerDAO, Aave, Compound and Curve, for users to take loans or make deposits and made it possible to refinance debt from one chain to another.

Better scalability with fast latency blockchains is already making things look similar to credit cards in terms of transaction processing times and fees, according to Sandeep Nailwal, co-founder and chief operations officer at blockchain scalability platform Matic Network. The platform’s sidechains support two-second block times with extremely low transaction fees, making the payment experience look more like a bank card transaction.

But what’s more important is that DeFi solutions enable the transfers of all types of assets, and not only cryptocurrency. Polkadot, for instance, created one gateway to bridge any type of blockchain through so-called parallel chains.

However, the opposite side of the increased functionality such cross-chain solutions provide can be decreased network security when foreign tokens are transferred to proof-of-stake blockchains. This is especially applicable to staking, which is what Polkadot is based on. If the amount of tokens deposited is greater than the value of tokens at stake, then validators have incentives to misbehave.

One possible solution to this problem was proposed by KIRA Network, which made it possible for any deposited token to be staked so there are no limitations in terms of how much can be transferred cross-chain or used on the platform safely. The developers also brought the cross-chain interoperability to the next level, allowing for cross-chain transfers across almost any network, whether it’s proof-of-stake or proof-of-work, as long as they have finality or probabilistic finality.

Overall, it seems that DeFi developers have made great progress in making cross-chain transactions possible. However, there is still much work to be done to bring this interoperability to that next level. Some believe that insufficient scalability, high fees and regulation among the main hurdles for reaching the same level of interoperability.

External interoperability is still under question

While emerging DeFi systems offer easy and low-cost conversions across various cryptocurrencies, even those considered today to be inexpensive carry very high fees when used for typical purchase-sized conversions. This is because any merchant who works with crypto sooner or later will need to convert it into fiat. While this is where higher fees are hidden, according to Mike Toutonghi, the lead developer at Verus — a zero-knowledge technology and privacy-oriented project — the total combined value of these fees may exceed the cost of debit or credit card transaction processing. He told Cointelegraph:

“All these fees together inevitably make up the total fee overhead for both merchant and customer. While it may seem that the 0.3% fee offered by Uniswap liquidity pools is only a fourth of the best credit or debit card fees, one must consider Ethereum or other network fees, and unless the merchants start accepting native cryptocurrency more broadly, these fees and the delays associated with conversion are in addition to, rather than in lieu of the total fees paid by fiat users.”

Interoperability can still remain internal until cryptocurrencies solve the problem of limited scalability. This limitation is mainly due to Ethereum’s infrastructure, according to Danial Daychopan, founder of Plutus — a gateway that connects blockchain technology with the existing infrastructures. Speaking with Cointelegraph he suggested that this is, however, just a matter of time: “Smart contracts are still not reliable or scalable to millions of users but with concepts such as sharding, it could be possible to greatly increase the number of possible crypto transactions, making it a feasible alternative to bank card payments.”

Related: Blockchain Interoperability Explained

Others stress that DeFi protocols need to implement controls for Anti-Money Laundering that will be acceptable for merchants and payment providers. Michael Shaulov, the CEO of Fireblocks, told Cointelegraph that some progress, however, is being made in this direction:

“We are not there yet, but it is on their [DeFi platforms] roadmap and technically feasible if we look at how they blocked funds from the KuCoin hack. At the end of the day, the market eventually finds its way when a more efficient alternative exists.”

Bridging fiat to crypto is the next step

Although, in theory, it’s possible to pay with Ether in every cafe where only Bitcoin is accepted, such practice is not common yet. However, the big steps that have recently been taken to unify the efforts of blockchain systems make it possible to believe that interoperability will soon cease to be a problem for cryptocurrencies.

Related: Blockchain interoperability: The big picture

This suggests that reaching the next level of interoperability — external this time — is just around the corner. And big steps are being made to create free space where digital money will be compatible with fiat. For instance, Ripple is working on the Interledger Protocol that allows for carrying out transactions between blockchain and non-blockchain platforms.



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Bringing carbon emissions reporting into the new age via blockchain

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Blockchain for supply chain management is one of the most practical business applications for large, multi-party sectors seeking trust and transparency across daily operations. As such, the mining and metals sector has now started to leverage blockchain technology to effectively track carbon emissions across complex, global supply chains. 

This month, the World Economic Forum launched a proof-of-concept to trace carbon emissions across the supply chains of seven mining and metals firms. Known as the Mining and Metals Blockchain Initiative, or MMBI, this is a collaboration between the WEF and industry companies including Anglo American, Antofagasta Minerals, Eurasian Resources Group, Glencore, Klöckner & Co., Minsur, and Tata Steel.

Jörgen Sandström, head of the WEF’s Mining and Metals Industry, told Cointelegraph that the distributed nature of blockchain technology makes it the perfect solution for companies within the sector looking to trace carbon emissions:

“Forward-thinking organizations in the mining and metals space are starting to understand the disruptive potential of blockchain to solve pain points, while also recognizing that the industry-wide collaboration around blockchain is necessary.”

According to Sandström, many blockchain projects intended to support responsible sourcing have been bilateral, resulting in a fractured system. However, this new initiative from the WEF is driven entirely by the mining and metals industry and aims to demonstrate blockchain’s full potential to track carbon emissions across the entire value chain.

While vast, the current proof-of-concept is focused on tracing carbon emissions in the copper value chain, Sandström shared. He also explained that a private blockchain network powered by Dutch blockchain development company Kryha is being leveraged to track greenhouse gas emissions from the mine to the smelter and all the way to the original equipment manufacturer. Sandström mentioned that the platform’s vision is to create a carbon emissions blueprint for all essential metals, demonstrating mine-to-market-and-back via recycling.

To put things in perspective, according to a recent report from McKinsey & Company, mining is currently responsible for 4% to 7% of greenhouse gas emissions globally. The document states that Scope 1 and Scope 2 CO2 emissions from the sector (those incurred through mining operations and power consumption) amount to 1%, while fugitive-methane emissions from coal mining are estimated at 3% to 6%. Additionally, 28% of global emissions is considered Scope 3, or indirect emissions, including the combustion of coal.

Unfortunately, the mining industry has been slow to meet emission-reduction goals. The document notes that current targets published by mining companies range from 0% to 30% by 2030 — well below the goals laid out in the Paris Agreement. Moreover, the COVID-19 crisis has exacerbated the sector’s unwillingness to change. A blog post from Big Four firm Ernest & Young shows that decarbonization and a green agenda will be one of the biggest business opportunities for mining and metals companies in 2021, as these have become prominent issues in the wake of the pandemic. Sandström added:

“The industry needs to respond to the increasing demands of minerals and materials while responding to increasing demands by consumers, shareholders and regulators for a higher degree of sustainability and traceability of the products.”

Why blockchain?

While it’s clear that the mining and metals industry needs to reduce carbon emissions to meet sustainability standards and other goals, blockchain is arguably a solution that can deliver just that in comparison to other technologies.

This concept was outlined in detail in an NS Energy op-ed written by Joan Collell, a business strategy leader and the chief commercial officer at FlexiDAO, an energy technology software provider. He explained that Scope 1, 2 and 3 emission supply chains must all be measured accurately, requiring a high level of integration and coordination between multiple supply chain networks. He added:

“Different entities have to share the necessary data for the sustainability certification of products and to guarantee their traceability. This is an essential step, since everything that can be quantified is no longer a risk, but it becomes a management problem.”

According to Collel, data sharing has two main purposes: to provide transparency and traceability. Meanwhile, the main feature of a blockchain network is to provide transparency and traceability across multiple participants. On this, Collel noted: “The distributed ledger of blockchain can register in real time the consumption data of different entities across different locations and calculate the carbon intensity of that consumption.”

Collel also noted that a digital certificate outlining the amount of energy transferred can then be produced, showing exactly where and when emissions were produced. Ultimately, blockchain can provide trust, traceability and auditability across mining and metals supply chains, thus helping reduce carbon emissions.

Data challenges may hamper productivity

While blockchain may appear as the ideal solution for tracing carbon emissions across mining and metals supply chains, data challenges must be taken into consideration.

Sal Ternullo, co-lead for U.S. Cryptoasset Services at KPMG, told Cointelegraph that capturing data cryptographically across the entire value chain will indeed transform the ability to accurately measure the carbon intensity of different metals. “It’s all about the accuracy of source, the resulting data and the intrinsic value that can be verified end to end,” he said. However, Ternullo pointed out that data capture and validation are the hardest parts of this equation:

“Where, when, how (source-cadence-process) are issues that organizations are still grappling with. There are a number of blockchain protocols and solutions that can be configured to meet this use case but the challenge of data capture and validation is often not considered to the extent that it should be.”

According to Ternullo, the sector’s lack of clear standards on how emissions should be tracked further compounds these challenges. He mentioned that while some organizations have doubled down on the Sustainability Accounting Standards Board’s capture and reporting standard, there are several other standards that must be evaluated before an organization can proceed with automation, technology and analytical components that would make these processes transparent to both shareholders and consumers.

To his point, Sandström mentioned that the current proof-of-concept focused on tracing carbon emissions in the copper value chain demonstrates that participants can collaborate and test practical solutions to sustainability issues that cannot be resolved by individual companies. At the same time, Sandström stated that the WEF is sensitive to how data is treated and shared: “Having an industry approach enables us to focus on practical and finding viable ways to deliver on our vision.”

An industry approach is also helpful, with Ternullo explaining that an organization’s operating models for culture and technology must be aligned to ensure success. This is the case with all enterprise blockchain projects that require data sharing and new ways of collaboration, which may very well be easier to overcome when performed from an industry perspective.



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The new ‘Bank of England’ is ‘no bank at all’

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As one of the first countries to industrialize in the 1760s, Britain’s manufacturing revolution instigated one of the greatest practical and ubiquitous changes in human history. But even more extraordinary than the cultural shift itself, is the fact that Britain’s industrialization remained way ahead of potential competition for decades. Only in the early 1900s did historians come to grips with the issues of causation. Max Weber’s pithy answer, “the Protestant work ethic,” pointed to Puritan seriousness, diligence, fiscal prudence and hard work. Others point to the establishment of the Bank of England in 1694 as a foundation for financial stability.

In contrast, continental Europe lurched from one national debt crisis to another, then threw itself headlong into the Napoleonic wars. Unsurprisingly, it was not until after 1815 that industrialization took place on the European mainland, where it was spearheaded by the new country of Belgium.

250 years later, another revolution has begun with the launch of Bitcoin (BTC), but this one is more commercial in nature than industrial. Though the full impact has yet to play out, the parallels between these two historical events are already striking.

Bitcoin may not match the obviousness of industrialization, but the underlying pragmatics touch on the very foundations of the non-barter economy. Like the establishment of the Bank of England, the creation of the cryptocurrency infrastructure has been prompted by ongoing and worsening threats to financial stability: systemic fault-lines created by macroeconomic challenges stemming from the 2008 financial crisis.

If you can’t beat ‘em, join ‘em…right?

Where a central bank once anchored financial enlightenment, it now plays the role of antagonist. For those who could “connect the dots” in 2008, there was the realization that central banks no longer existed as guardians and protectors of national currencies, but rather as tools for creating politicized market distortions, abandoning their duty to preserve wealth in favor of creating the conditions for limitless, cheap government debt. While many of the underlying intentions were benign, the process inherently worked to punish savers and reward reckless debt.

Meanwhile, it has steadily taken time for the potential of digital assets to reach their potential and approach something like critical mass, though thankfully full acceptance shouldn’t take as long as Britain’s industrial revolution. Over the past 12 years, cryptocurrencies have moved from unknown to novel to significant, growing interest. As a result, profound changes are underway, affecting the mechanics by which investors, the investment industry, wealth managers and even the commercial banking sector are engaging with cryptocurrencies.

This interest has accelerated as we enter into a period of deep economic uncertainty and growing awareness that structural soundness is shifting away from traditional investment options. Not only that, this growing financial innovation and public interest has largely occurred outside of the central banks’ control, if not outright antagonism led by the banks’ regulatory arms in government.

Now, many central banks are trying to join a game they’ve tried almost every way of beating, with digital currencies that adopt the glowing sheen of crypto innovation, but which also eschew the underlying innovations and philosophy that made those innovations so popular to begin with.

Follow or get out of the way

The popularity of cryptocurrency has largely been due to its protean fungibility — it has been whatever the independent financial community has needed it to be, from digital currency to speculative financial instruments to smart contracts that can power smart financial technology.

However hard central banks might try to co-opt the hype of cryptocurrency, cryptocurrency succeeding will mark the fundamental end of critical aspects of the central banking monopoly by offering a more competitive vehicle for facilitating commercial transactions and providing a more stable medium to store monetized assets. Cryptocurrencies actually offer real returns on “cash” deposits, something that the fiat banking system has long since abandoned. Most of all, cryptocurrencies reveal the fictitious nature of fiat currencies as a principle.

Cryptocurrencies as an ecosystem will increasingly constrain, redirect and set the parameters for government macroeconomic policies. Certainly, sound alternatives to fiat currencies will drive the latter to the periphery of commercial life, concomitantly reducing the number of tools the nation-state has at its disposal to regulate or respond to changing economic conditions. Above all, this means that government financial engagement can no longer be a rule unto itself. It will have to engage by the same principles as everyone else. A level playing field here has dramatic implications.

Against the backdrop of the essential limits of fiat currencies, current geo- and macroeconomic policies and a new emerging world order, cryptocurrencies offer vast potential as an efficiency facilitating frictionless commerce and investment, a medium of stability against uncertainty and inflation, increased security in value transfer and wealth management, optimum autonomy in an increasingly intrusive climate, and “cash” asset preservation/growth in a world of negative interest rates.

The edifice that supports the concept of a “global reserve currency” is also weakening. This will reduce political influence over global finance, as well as nations’ abilities to run a long-term balance of payments deficits, current account deficits and borrow at little or no interest. Indeed, given current trends, changes in trading mechanics may speedily evolve to the point that such “reserve currencies” no longer have a function at all. And cryptocurrency success will hasten the end of the U.S. dollar monopoly in global commerce.

The views, thoughts and opinions expressed here are the author’s alone and do not necessarily reflect or represent the views and opinions of Cointelegraph.

James Gillingham is the CEO and a co-founder of Finxflo. James is engaged in developing and implementing strategic plans and company policies, maintaining an open dialogue with stakeholders and driving organizational success. He is an expert in managing and executing high-level strategic objectives with more than 13 years’ experience in building, developing and expanding multinational organizations. His deep knowledge of financial markets, digital currencies and fintech has played a pivotal role in his success to date.