Despite the hype and headlines, institutional and financial blockchain products are not a silver bullet for existing monetary movement frictions.
The first promise of blockchain was about efficiency through its immutable, shared ledger that eliminated reconciliation, reduced middlemen, and accelerated settlement. But as digital assets proliferate, the simplicity of blockchain has given way to operational fragmentation.
After all, there is no single blockchain. There are many. For widespread adoption, they will need to work together.
This change is now manifesting itself in hiring patterns. Wall Street’s latest recruiting drive is focused not on experimental labs, but on “chain jugglers,” or engineers capable of connecting disparate blockchain ecosystems into something resembling a coherent, interoperable financial infrastructure. These specialists are responsible for bringing together distributed ledgers that were never designed to communicate, ensuring that assets, payments, and records can flow across them seamlessly.
For example, a recent job posting from Morgan Stanley revealed that the bank is looking for a blockchain software engineer to lead projects integrating at least four different blockchain networks, Hyperledger, Polygon, Canton and Ethereum. The emphasis is not on creating yet another blockchain, but on making existing ones sufficiently interoperable to support activity on an institutional scale.
See also: Institutional Interest Tests Blockchain Financial Interoperability
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The rise of the multi-chain banking stack
In practice, digital assets, whether stablecoins or other cryptocurrency tokens, can be issued across multiple blockchains, permissioned corporate ledgers, and a growing list of specialized networks. Each issued token has its own consensus model, programming environment, governance structure, and security assumptions. The only thing every blockchain has in common is that a digital dollar or token bond created on one chain cannot automatically move to another.
The result can be a patchwork system in which liquidity is siled, operational complexity is multiplied, and interoperability is often improvised through bespoke bridges or custody workarounds.
On-chain juggling roles fit squarely into the emerging infrastructure phase of blockchain. Their success will be measured by the fluidity of transactions, automatic reconciliation of systems and the confidence of regulators in the underlying architecture.
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Financial institutions now recognize that interoperability is not a feature to add later; it’s architecture. Engineers must work to design financial systems that can translate data models, synchronize the state of ledgers, and ensure that transactions executed on one network are reliably reflected on another. This includes everything from identity verification and smart contract logic to settlement finality and asset custody.
The technical challenge resembles building a global payments infrastructure in the 1990s, when banks had to reconcile incompatible messaging standards with national clearing systems.
At the base layer are the individual networks themselves, public, private or hybrid, each chosen for specific use cases. A permissioned ledger can manage the issuance of regulated assets, while a public chain offers programmability or global reach. Above that is an interoperability layer responsible for translating data, coordinating transactions, and handling cross-chain messaging.
Learn more: The Crypto CFO Playbook to navigate the 3 layers of the Blockchain
Avoiding the “new silos” problem
One of the paradoxes facing banks is that blockchain, designed to eliminate silos, has the potential to create new ones if interoperability is neglected. A tokenized asset that cannot circulate on networks is effectively confined to a digital island, thereby reducing liquidity and complicating risk management.
Competition Policy International (CPI), a PYMNTS company, explored this topic in an October discussion with Christian Catalini, founder of the MIT Cryptonomics Lab, research scientist at the MIT Sloan School, and co-founder and chief strategy officer of crypto payments company Lightspark.
Catalini warned that without interoperability, the United States could fall into a system of “chain corporations”: closed, exclusive payment networks reminiscent of the railroad gauge wars of the 19th century, when incompatible tracks paralyzed commerce. In the 1840s, in the United Kingdom and later in the United States, private railways built tracks of varying widths. Freight and passengers crowded into “gap-breaking” stations, unloaded and reloaded only because one company’s standards could not meet those of another.
“Railroads were sort of the modern blockchain of the time,” said Catalini, enthusiastic, speculative, messy and ultimately indispensable. The lesson for digital currency is simple. “If we don’t implement these rules now,” he said, current payment networks could harden and become incompatible rails: “Money, a digital dollar on one network, will not move seamlessly to the other. »
For today’s financial institutions, the era of channel choice is coming to an end. The era of having them work together has begun.
