January 21, 2026

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A Decade Later The Conditions Which Gave Birth to Bitcoin Persist

A Decade Later The Conditions Which Gave Birth to Bitcoin Persist

Jason was stunned when the “send nudes” button he clicked actually did so.

James Wilson rubbed his weather-worn and furrowed brow with concern. An even-tempered man who served with distinction in the Great War, Wilson was never susceptible to histrionics.

If the mustard gas didn’t get him in the trenches of Messines Ridge, he was going to get through this as well. Or so he thought.

Wilson, a dry goods distributor working in Chicago had just received news that one of his retailers to whom he offered lines of credit by way of goods, was no longer able to pay him, at the worst possible time in American history — the late 1920s and the start of what would eventually become known to be “The Great Depression.”

As the weeks dragged on, more and more of Wilson’s debtors started to default on their bills and it was starting to put a strain on his cashflow.

But Wilson’s troubles are not his own. He also happens to be one of Chicago’s biggest dry goods distributors and if more of his retailers are no longer able to pay him, he’ll find difficulty in paying his suppliers as well.

In the ensuing months, as more of his retailer’s customers are no longer able to pay for their goods, Wilson comes under increasing financial pressure and starts delaying payments to his suppliers as well.

Not My Party

Often referred to as “counterparty risk” — the risk of a party being unable or unwilling to honor their obligations in a contract or on terms of credit — the risk exists in almost all transactions and particularly in the financial markets.

Lines for the bank went out the back when news of a free toaster with each new account broke.

While the last financial crisis was wrought by the paralysis of credit markets as financial institutions were no longer able to determine which of their counterparties were solvent and which were not, the next financial crisis may come from where risk has been repatriated to.

And while swift government intervention during the last financial crisis arguably staved off a prolonged economic depression in the same vein as the 1930s, the global economy has not “solved” any of the problems associated with counterparty risk at all, with each successive government kicking the bucket down the road for their successors.

We fixed it?

In the aftermath of the financial crisis, reformist-minded Democrats such as Senator Elizabeth Warren, a member of the Senate’s powerful banking committee used Dodd-Frank laws to push through reforms which saw derivatives off bank’s balance sheets and into standardized forms which required collateral to secure holders of such derivatives against loss of principal.

U.S. Senator and woman telling you how many percent Native American she is, Elizabeth Warren.

Dodd-Frank came on the back of the financial crisis and was signed off by then-President Barack Obama into law. In a nutshell, Dodd-Frank swept in a package of laws that reformed the financial system of the United States, to protect the American taxpayer from bailing out “too big to fail”-type companies and to improve accountability and transparency in the financial system. Basically, counterparties had to stump up, because the government wasn’t going to be the buyer of last resort anymore.

So far so good.

But one of the unintended consequences of Warren’s push to unload (risky) derivatives from banks is that they now have to go somewhere else.

Risk is a bit like garbage, you can pass it around, maybe put it into a landfill, but you can’t really, truly get rid of it in a meaningful way. Ask any New Yorker.

These derivatives are now mainly traded through market clearing houses or central counterparties and for the most part are subject to almost no regulation.

But during the financial crisis, these moves alone were insufficient to shore up confidence in the derivatives markets, so central banks used the amorphous term “quantitative easing” to scoop up large amounts of the highest quality and most liquid derivatives.

Central bank intervention in the derivatives market had an artificial calming effect, leading to a long period of lower volatility — something which market participants soon became accustomed to.

But manufactured stability is equivalent to a false stability because it leads market participants to make false assumptions about market behavior and lull them into taking on more risk.

New York City — You’ll come for Broadway, but you’ll stay because you can’t get out of the building.

Furthermore, market participants assumed that the liquid assets that would be needed as collateral for these cleared derivatives would be safely locked away with central banks.

Meanwhile, the reformers on Capitol Hill were patting each other’s backs and congratulating themselves for recapitalizing banks and making sure that risky assets were not directly underwritten by hardworking Americans whose money was deposited with the banks.

All good right? Except that it’s not.

Garbage in. Period.

Remember how I said that risk is a bit like garbage? You can move it around, dump it somewhere else (New Jersey?), but you can never really get rid of it. Just because you don’t see it, doesn’t mean that it’s not rotting away somewhere else.

And that is precisely the risk with the derivatives markets.

Nobody knows exactly how big the global derivatives markets are, specifically because they are unregulated, with estimates on the high side pushing 20 times the size of the global economy and conservative estimates placing it at US$12.7 trillion.

Bill was eager to show off his alliteration skills to Wall Street.

And while clearing houses or central counterparties, particularly large ones, continue to function, there isn’t much of an issue.

The problem may come when either poor risk management or some externality (Black Swan-type event) occurs which causes highly inter-connected derivative positions to be unwound.

While there is a contingency plan in place if a bank should fail — taxpayers will need to bail them out, as unpalatable as that may be it’s still a plan — there is no plan for when a derivatives clearing house fails.

If a large and centralized derivatives clearing house fails it could cause a break in the dam, leading to a flood of interdependent losses with trillions of dollars in derivative transactions left to hang in the balance.

Which means financial crisis-level bailouts of Wall Street by Main Street once again.

Under Dodd-Frank, section 13–3 allows the Federal Reserve or the Treasury to support what is referred to as “market plumbing” if no less than five non-banks support an application for a bailout.

Granpa’s coin collection turned out to be worth a lot more than expected.

But with the volume of derivatives traded a day estimated at between US$3 trillion to US$4 trillion, it is unclear if the federal government even has enough cash to backstop such a systemic catastrophe.

In 2018, the size of the U.S. economy was US$20.41 trillion — and that figure was for a whole year.

And that’s the thing about risk, it never really goes away. You sweep it under the rug, stuff it between the sofa cushions, put it on a barge and ship it off to a landfill, but you never really get rid of it.

Eventually you notice the bulge in the middle of your rug which starts to move by itself and then you have to fumigate the entire apartment.

Which is why the conditions in financial markets which led to the creation of Bitcoin, which decentralizes risk (as much as we allow it to) continue to persist and which is why as much as naysayers would like to argue for the demise of cryptocurrencies, they continue to persist.

For many wealthy individuals, a small portion of their assets in cryptocurrencies isn’t an investment plan, it’s a personal portfolio backstop.

The global financial system has not become safer or more secure. It has simply re-organized risk.

The garbage may no longer be on your front porch, but you can bet your last Bitcoin it’s somewhere out there.

Published at Thu, 07 Mar 2019 06:01:30 +0000

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Op Ed: Three Technical Requirements to Connect Blockchains Without a Token

Op Ed: Three Technical Requirements to Connect Blockchains Without a Token

In my last post, I was talking about how connecting all blockchains is the final stepping stone for mass-crypto adoption. Here I want to outline the technical building blocks with which this idea can be implemented.

Since I see a lot of downsides to having one large uber-blockchain connecting all others, I will focus on a token-LESS solution. This would have several advantages:

  • No need for an additional token.

  • Users can “remain” on their blockchain.

  • No need to trust a centralized third party.

There are a couple of downsides to such an approach however. Since there is no uber-blockchain or a centralized party ensuring the connection, there needs to be enough liquidity between two blockchains to be connected. If I want to transfer funds from the Ethereum to the bitcoin blockchain, for example, I need someone who, at the same time, wants to go from bitcoin to ether. For these two large blockchains, you will always find someone willing to go in either direction, but what about from Ethereum to a smaller blockchain or a small blockchain to another small blockchain? While I will be laying out a way on how that could even be solved, I want to stress that liquidity is the key economic factor in such a cryptographically secure multi-asset network.

Basic Building Blocks

Let’s look at the three very basic building blocks that are needed to connect any two blockchains:

  1. Multisignature feature (Multisig);

  2. Hashing functionality; and

  3. Time-lock functionality

Let’s work through each of these three and combine them into a larger single picture.

1. Multisig is an old and well-trusted concept that can be compared to a shared checkbook with multiple required signatories. A multisig transaction allows for the enforcement of arbitrary joint signature rules. In the case of a cryptographically secure, off-chain, multi-asset, instant transaction network (COMIT) one would use 2-of-2 multisig transactions for which both signers have to sign a transaction to become valid and be accepted by the network (an example of this will follow right after). This means a multisig transaction established between two parties needs to be signed by both so that its outcome becomes valid and can be accepted by the network.

In the picture below, a transaction was created with 1 BTC as input; however, in order to get it out, both parties (Alice and Bob) have to sign the transaction:

 

2. Hash functions are standard cryptographic concepts. These are one-way functions to convert arbitrary data (in our case a secret “s”) into a unique hash “h.” This hash h can then be shared safely without anyone being able to compute the secret s used to create it. This allows us to build a hash-lock transaction which will only unlock the funds with the knowledge of the secret s. In order to route across different blockchains, we need the same cryptographic hash function available in the smart contracting language of each blockchain participating on such a route.

In the picture below, someone put 1 BTC into a contract, but Alice can only take it out once she has the secret (which she normally would get from Bob).

3. Time-lock is a simple requirement for funds to be locked up until a future date. Blockchains are found to have two different time-locks: relative and absolute. Absolute time-locks will lock a transaction output until a fixed point in time in the future, whereas relative time-locks will lock a transaction output relative to an event or a point in time. That is to say, a relative time-lock rather defines a time span than a specific point in time. Time-locks are a requirement for trustless payment channels, and relative time-locks are recommended as they allow for indefinitely open payment channels.

In the example below, someone put 1 BTC in, but in order for Alice to get it out, she has to wait a predefined time. 

Putting It Together 

If we go ahead and combine these three building blocks, we get something called HTLCs (Hashed Time-Lock Contracts) whose states can be updated on a multisig basis. HTLCs combine the concept of a time-lock for refund purposes with a hash-lock. If the recipient can provide the secret s for the hash-lock before the expiry of the time-lock, he will be able to retrieve the funds. Otherwise, the sender can safely reclaim the funds. In case one party wants to update the HTLCs state, he needs the other party’s approval (signature). This is how the multisig function comes into play.

In the example below, Alice put 1 BTC into the contract with Bob. Bob can either take the 1 BTC out if he gets the hash from Alice within a predefined time, or Alice will get the funds back automatically after that predefined time has past.

Two HTLCs can be coupled with each other resulting in something called atomic transactions. To do so, the recipient first generates a secret s and computes its hash h. Subsequently, the recipient will share this hash h with a sender who in turn creates the first conditional transaction, i.e., its output is (hash-)locked by h. This output can only be redeemed with the knowledge of the secret s.

In layman’s terms, this would mean that if Bob wants to send Alice 1 BTC and wants ETH in return, they could open two payment channels (one with BTC and the other with ETH) and couple them with a hash h. Bob sends Alice BTC as long as she sends him ETH. In case either one backs out, the original amounts would just be returned.

The Full Route 

Now we can stack an arbitrary amount of transactions onto each other as every node in this chain can safely use the same hash to create a transaction which is also conditional on knowing the secret s. This hash is initially shared with the sender, who will then subsequently send a conditional payment to the first node requiring knowledge of the secret s to redeem it. Each node in the route can then safely forward the transaction while adding the same condition to the transaction redemption. Through the use of HTLCs we can guarantee that either all of the transactions via this route get fulfilled or all payment channel transactions will be unredeemable. No trust has to be put in any of the nodes in the middle of the route. In the end, you have a chain of transactions which all depend on the same secret to be fulfilled. When the receiver takes the last transaction and uses the secret to redeem the money, every other node will see the secret that was used and can then fulfill their own incoming transaction.

After the secret s has been shared across the route, every payment channel will then settle the transaction back into the channel. This is done by updating the payment channel’s state to the final balances and then invalidating the HTLC transactions by revealing the invalidation key k to the payment channel counterparty, which will eventually make the transaction complete.

The time-lock mechanism is used as a refund mechanism in case of an intermittent routing failure. The time-locks need to be stacked from receiver to sender to make sure no one is able to cheat by having a shorter period than someone after him/her and thereby being able to pull out first.

Conclusion 

These transactions can span within the same blockchain, but can also go cross-chain as long as you find someone who is willing to transact on both blockchains. This is where the concept of liquidity and routing comes in. To go back to the beginning where we thought about connecting two low-liquidity blockchains we see now, that we actually don’t necessarily transact between those two directly. By using stacked payment channels one after the other, money could flow from one low liquidity chain to a high liquidity chain and then to the final low liquidity chain. 

This concept connects payment channels to a large network that is now:

  • Cryptographically-secure (relies on cryptographic standards),

  • Off-chain (like the Lightning- or Raiden-Network) ,

  • Multi-Asset (cross-chain),

  • Instant (no need for a transaction to settle on the blockchain as updates only happen between the parties until it gets broadcasted)

  • A Transaction Network, such as COMIT.

In the next blog post, I will talk about the concept of liquidity and Liquidity Providers (LP) and also on how routing through such a network could work.


This is a guest post by Dr. Julian Hosp, the co-founder of TenX and co-author of the whitepapers of TenX and COMIT. The views expressed are his alone and do not necessarily reflect those of bitcoin Magazine.

The post Op Ed: Three Technical Requirements to Connect Blockchains Without a Token appeared first on Bitcoin Magazine.

Bitcoin Core 0.17.1 Released

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Re: 比特币合法化是假消息?俄罗斯央行主管表示:还不能保证

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