On 21 September the European Central Bank did two things it had never done before. It switched on Pontes, a service that lets tokenised securities settle in central bank money, with a first group of banks and ledger operators already connected. It also announced that a portion of its own funds will be invested in tokenised bonds issued by euro-area governments, agencies and supranationals, settled through the new rails. Piero Cipollone of the ECB's executive board described it as bringing the stability and trust of central bank money to tokenised finance. That is a central bank saying, in its own name and with its own balance sheet, that government debt on a distributed ledger is an asset class it intends to hold.

The rest of the world got there earlier and by different routes. Hong Kong has sold three digital green bonds worth a combined HK$16.8 billion, the latest settled in tokenised central bank money. The Marshall Islands issued a Treasury-backed sovereign bond onchain to fund a basic-income programme delivered to citizens' phones. Slovenia became the first euro-area sovereign with a digital bond in 2024. The UK's DIGIT pilot is booked for early 2027. Against a $102 trillion global public debt stock, the onchain slice is still tiny. The question worth asking is not how big it is but what, precisely, the ledger changes about how a government borrows. This piece works through five answers and then looks at the network that has quietly become the largest home for non-US sovereign paper: Stellar.

What a government bond does today and why it is slow

A sovereign bond is a promise to pay, recorded in a register, held through a chain of intermediaries and settled on a schedule. When a fund in Singapore buys a German Bund, the trade is agreed in an instant and then spends a day, sometimes two, moving through a custodian, a sub-custodian, a central securities depository and a payment system before the bond and the cash actually change hands.

That gap is called settlement risk. The entire architecture of modern bond markets, from margin to netting to the $45 billion that changes hands in gilts on an average day, exists to manage it. The US moved Treasuries to T+1 in 2024 and treated it as a milestone. Markets close on Friday evening and reopen on Monday. A coupon payment is a batch file sent to a paying agent. None of this is broken, exactly. It is just built for a world in which the register and the payment lived in different buildings, whereas a blockchain is a register and a payment system in the same place.

Change one: settlement that closes in seconds, every day

On a public ledger like Stellar, a transaction reaches finality in about five seconds and costs fractions of a cent. The bond and the cash move in the same atomic step, so there is no window in which one side has delivered and the other has not. There is no weekend. That sounds like a convenience until you count what it removes. Settlement risk, together with the capital held against it, largely disappears when delivery and payment are the same transaction. The GFMA and BCG estimated that ledger-based settlement at scale would free about $100 billion of collateral a year globally and save $15 to $20 billion in operational cost.

A treasury that can settle at 3am on a Sunday can also manage its cash on a Sunday, which matters more to an emerging-market finance ministry rolling short paper than to a G7 debt office. Hong Kong's digital green bonds recorded a 10.8 percent liquidity gain and halved issuance time against the conventional process. That is with much of the surrounding plumbing still analogue.

Change two: a bond that carries its own rules

A tokenised bond is not a PDF with a hash. It is an asset whose issuer can define, at the protocol level, who may hold it, where it may move and what happens on a coupon date. Stellar was designed with this in mind and it is the least discussed reason institutions choose it. Asset-level controls let an issuer require that every wallet holding a token has been authorised, freeze or claw back a position if a court orders it and restrict transfers to approved counterparties, all without a smart contract that has to be audited from scratch.

The Stellar Development Foundation's own framing is that compliance is native: the KYC and control primitives sit in the ledger rather than in an application layer bolted on top. For a sovereign issuer that means a bond can be sold to a permitted investor base, pay its coupon automatically in a stablecoin on the due date and be pledged as collateral in a lending protocol such as Templar or Blend on the same network, with every step visible to the regulator in real time. Programmability is the difference between a digital record of a bond and a bond that does things.

Change three: cash that lives where the bond lives

Everything above depends on a detail that most tokenisation coverage skips: the money has to be onchain too. A bond that settles in five seconds against cash that settles tomorrow has not solved anything. This is the missing piece the UK's digital gilt is waiting for. Sterling stablecoins barely exist, the largest has a market cap of $34 million and the UK's crypto regime does not take effect until October 2027, so the pilot has to solve for a risk-free settlement asset before it can settle anything.

The ECB's answer is Pontes: tokenised assets settle against central bank money held at the Eurosystem. Hong Kong's answer for i

On 21 September the European Central Bank did two things it had never done before. It switched on Pontes, a service that lets tokenised securities settle in central bank money, with a first group of banks and ledger operators already connected. It also announced that a portion of its own funds will be invested in tokenised bonds issued by euro-area governments, agencies and supranationals, settled through the new rails. Piero Cipollone of the ECB's executive board described it as bringing the stability and trust of central bank money to tokenised finance. That is a central bank saying, in its own name and with its own balance sheet, that government debt on a distributed ledger is an asset class it intends to hold.

The rest of the world got there earlier and by different routes. Hong Kong has sold three digital green bonds worth a combined HK$16.8 billion, the latest settled in tokenised central bank money. The Marshall Islands issued a Treasury-backed sovereign bond onchain to fund a basic-income programme delivered to citizens' phones. Slovenia became the first euro-area sovereign with a digital bond in 2024. The UK's DIGIT pilot is booked for early 2027. Against a $102 trillion global public debt stock, the onchain slice is still tiny. The question worth asking is not how big it is but what, precisely, the ledger changes about how a government borrows. This piece works through five answers and then looks at the network that has quietly become the largest home for non-US sovereign paper: Stellar.

What a government bond does today and why it is slow

A sovereign bond is a promise to pay, recorded in a register, held through a chain of intermediaries and settled on a schedule. When a fund in Singapore buys a German Bund, the trade is agreed in an instant and then spends a day, sometimes two, moving through a custodian, a sub-custodian, a central securities depository and a payment system before the bond and the cash actually change hands.

That gap is called settlement risk. The entire architecture of modern bond markets, from margin to netting to the $45 billion that changes hands in gilts on an average day, exists to manage it. The US moved Treasuries to T+1 in 2024 and treated it as a milestone. Markets close on Friday evening and reopen on Monday. A coupon payment is a batch file sent to a paying agent. None of this is broken, exactly. It is just built for a world in which the register and the payment lived in different buildings, whereas a blockchain is a register and a payment system in the same place.

Change one: settlement that closes in seconds, every day

On a public ledger like Stellar, a transaction reaches finality in about five seconds and costs fractions of a cent. The bond and the cash move in the same atomic step, so there is no window in which one side has delivered and the other has not. There is no weekend. That sounds like a convenience until you count what it removes. Settlement risk, together with the capital held against it, largely disappears when delivery and payment are the same transaction. The GFMA and BCG estimated that ledger-based settlement at scale would free about $100 billion of collateral a year globally and save $15 to $20 billion in operational cost.

A treasury that can settle at 3am on a Sunday can also manage its cash on a Sunday, which matters more to an emerging-market finance ministry rolling short paper than to a G7 debt office. Hong Kong's digital green bonds recorded a 10.8 percent liquidity gain and halved issuance time against the conventional process. That is with much of the surrounding plumbing still analogue.

Change two: a bond that carries its own rules

A tokenised bond is not a PDF with a hash. It is an asset whose issuer can define, at the protocol level, who may hold it, where it may move and what happens on a coupon date. Stellar was designed with this in mind and it is the least discussed reason institutions choose it. Asset-level controls let an issuer require that every wallet holding a token has been authorised, freeze or claw back a position if a court orders it and restrict transfers to approved counterparties, all without a smart contract that has to be audited from scratch.

The Stellar Development Foundation's own framing is that compliance is native: the KYC and control primitives sit in the ledger rather than in an application layer bolted on top. For a sovereign issuer that means a bond can be sold to a permitted investor base, pay its coupon automatically in a stablecoin on the due date and be pledged as collateral in a lending protocol such as Templar or Blend on the same network, with every step visible to the regulator in real time. Programmability is the difference between a digital record of a bond and a bond that does things.

Change three: cash that lives where the bond lives

Everything above depends on a detail that most tokenisation coverage skips: the money has to be onchain too. A bond that settles in five seconds against cash that settles tomorrow has not solved anything. This is the missing piece the UK's digital gilt is waiting for. Sterling stablecoins barely exist, the largest has a market cap of $34 million and the UK's crypto regime does not take effect until October 2027, so the pilot has to solve for a risk-free settlement asset before it can settle anything.

The ECB's answer is Pontes: tokenised assets settle against central bank money held at the Eurosystem. Hong Kong's answer for i