Simulator

Calculate your returns

Your cash isn’t growing in your account. Credit funds lock it up. Start putting your money to work non-stop - without lock-ups.
$500,000
12 months
Returns earned

$46,250

Get early access
$500,000
12 months
Returns earned

$9,254

Get early access
Interactive Calculator

Calculate Your Runway Extension

See exactly how much runway you'd gain by earning with Byzantine instead of your current yield. Adjust the numbers to match your situation.

Your numbers

Current Treasury
$100,000
Monthly Burn Rate
$1,000
Time Horizon
30Y
You’re earning a base of 8.25% APY
Investments
Yield
Monthly yield
Net Burn
Runway
MMFs
2%
$6,667
-$143,333
14.0 months
Byzantine
8.25%
$16,667
-$135,122
14.7 months
+0.7 months
runway extension
That's
$80,000
extra per year
Use cases

Trusted solutions for modern treasuries

Corporate Treasuries
Enhance balance sheets above deposits, audit-ready.
Hedge Funds
Lever predictable, uncorrelated yield streams.
Fintech platforms
Offer a high-yielding, plug-and-play Earn programme.
Crypto Treasuries
Signal strongest yield management, outsource risk.
Family Offices
Diversify safely, follow peers allocating to digital assets.
Asset Managers / VCs
Differentiate with transparent, benchmarkable yield.
Corporate Treasuries
Enhance balance sheets above deposits, audit-ready.
Hedge Funds
Lever predictable, uncorrelated yield streams.
Fintech platforms
Offer a high-yielding, plug-and-play Earn programme.
Crypto Treasuries
Signal strongest yield management, outsource risk.
Family Offices
Diversify safely, follow peers allocating to digital assets.
Asset Managers / VCs
Differentiate with transparent, benchmarkable yield.

Insured capital, higher returns.

Earn up to 8.25%* with instant liquidity. Insurance on principal and earned returns.
The logo of Byzantine's USD product.
Byzantine Prime USD
Overcollateralised loans
The logo of Byzantine's EUR product.
Byzantine Prime EUR
The logo of Byzantine's BTC product.
Byzantine BTC
Compliance-friendly

Ever saw a compliance team smile?

No volatility in digital asset exposure
Loans in USD-backed stablecoins (1:1 cash & Treasuries).
Segregated, bankruptcy-remote accounts
Dedicated user accounts.
Full KYC/KYB compliance
AML compliance without exception.
Strategy built by licensed partner
AML/CFT, MiCA, SOC 2 Type II compliant.
Detailed tax reporting
Our API talks to your accounting software.
Products

Earn on a variety of currencies

Byzantine Prime USD
Earn on dollars
Byzantine Prime EUR
Earn on euros with no FX risk
Open an account
Byzantine Prime GBP
Opportunities in British Pounds
Coming soon

Simulation

Capital invested
$
Monthly contributions
$
Time Horizon
30Y
You’re earning up to
8.25% APY

Future balance

$0.00

$2,286,369.56
earned in
30
years

Compare your Future Balance

$1.1M

Byzantine USD
8.25% APY

$612K

-$558K
MMFs
3% APY

$394K

-$776K
Keep in cash
0% APY

The Byzantine advantage

Returns paid daily
Diversified, blue-chip credit portfolio
Institutional security
Institutional or self custody. Optional principal insurance.
Withdraw anytime, no fees
Regulated third-party strategy curator
Loved by accountants
Our API talks to your accounting software.
Byzantine's infrastructure lets clients access daily returns, institutional-grade security, and frictionless access - built for treasuries and allocators that refuse to leave returns on the table.
Use cases

Trusted solutions for modern treasuries

Crypto Treasuries
Signal strongest returns management, outsource risk.
Family Offices
Diversify safely, follow peers allocating to digital assets.
Startups
Optimise your treasury and extend your runway.
Freelancers
Turn idle cash into insured returns, always accessible when needed.
Individuals
Flexibility like a savings account, returns like an investment.
Fintech platforms
Offer a high-yielding, plug-and-play Earn programme.
Asset Managers / VCs
Differentiate with transparent, benchmarkable returns.
Hedge Funds
Lever predictable, uncorrelated return streams.
Corporate Treasuries
Enhance balance sheets above deposits, audit-ready.
Our reviews

What our Clients say

Placeholder avatar.
Placeholder logo.
Decorative testimonial icon.

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Dolor Convallis
Partner at Mage
Placeholder avatar.
Placeholder logo.
Decorative testimonial icon.

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Natus Parlus
VC at Loot Capital
Placeholder avatar.
Placeholder logo.
Decorative testimonial icon.

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Kevin Rojan
Co-founder at Growth Capital
Placeholder avatar.
Placeholder logo.
Decorative testimonial icon.

Vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti

Dolor Convallis
Partner at Mage
Placeholder avatar.
Placeholder logo.
Decorative testimonial icon.

Vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti

Dolor Convallis
Partner at Mage

Built for treasuries, not traders.

Seamless integration with existing systems.
Q&A

Frequently Asked Questions

Straight answers to the questions that matter most about your money.
What is Byzantine?

Byzantine is a technical infrastructure designed to help companies and individuals earn safe, predictable returns on their cash.

Byzantine Prime is a conservative cash-plus strategy. Your assets stay in a segregated structure and earn low-risk interest.

How does Byzantine work?

When you deposit funds, our third-party partners:

  • Convert them into stablecoins (digital dollars or euros that are always 1:1 with fiat currency).
  • Deploy them across secure, decentralised, and audited lending markets.
  • Manage everything for you through a third-party, regulated strategy curator: Currency hedging, risk monitoring, and liquidity.

Byzantine's infrastructure gives seamless access to safe, predictable returns and total oversight over your capital. You simply deposit, watch your balance grow, and withdraw whenever needed.

Why Byzantine?

Byzantine Prime is a fixed-income, low-volatility style product. Our infrastructure gives institutional users seamless access to it.

  • Set-and-forget: Our infrastructure manages everything end-to-end, including on/off-ramping, FX hedging, rebalancing, diversification, liquidity buffers, risk monitoring, and insurance - so users can treat this as a turnkey treasury allocation.
  • Base + spread model: The product's underlying credit markets deliver base rate + 400bps at all times. Stability is the priority, but users capture upside when possible - Byzantine Prime targets at least the 400 bps spread, but is not capped to it. Such rate may vary over time and is not guaranteed.
  • Capital protection: Partnered with a global insurance provider,  active risk management through a third-party regulated partner, and with assets in tier-1 custody.
  • Risk-adjusted diversification: Strategies include only audited, deep-liquidity pools, dynamically rebalancing to maintain safety.
  • Real-time risk monitoring: 24/7 oversight + Keyrock’s proprietary stress testing.
  • Regulated partner: The strategy is curated by Keyrock Curation Services.
  • Liquidity-first design: Withdrawals fulfilled in <1 minute under normal conditions, with buffers sized for institutional flows.

Byzantine is built as a credit infrastructure designed for treasuries. Depositors receive stable, risk-adjusted returns with full, real-time transparency. The right comparison set is T-bills, MMFs, and institutional credit strategies.

Where do returns come from?

Returns come from institutional money markets, where traders and market makers borrow stablecoins at predictable rates.

Through Byzantine Prime infrastructure, you deploy capital exclusively into multi-audited, blue-chip markets.

What's a stablecoin?

A stablecoin is a type of digital asset that’s tied to a real-world currency (like the US Dollar or Euro). 1 USDC = 1 USD, always. 1 EURC = 1 EUR, always. This makes stablecoins a safe way to move money and earn returns without volatility.

Is my money safe?

Yes, safety is our top priority. You:

  • Deploy into vaults whose strategy is managed by Keyrock Curation Services, a regulated Digital Asset Service Provider
  • Hold assets in tier-1 regulated custodians or non custodially - depending on your choice.
  • Use only battle-tested credit markets with multiple security audits
  • Can, optionally, choose to insure your principal with a global leader in risk coverage.
Does Byzantine control my assets?

Byzantine never controls your assets. Deposited assets are deployed according to the strategy set by Keyrock, the strategy curator, but you as the holder always maintain total control.

Insured capital, higher returns.

Earn up to 8.25%* with instant liquidity. Insurance on principal and earned returns.
The logo of Byzantine's USD product.
Byzantine Prime USD
Overcollateralised loans
The logo of Byzantine's EUR product.
Byzantine Prime EUR
The logo of Byzantine's BTC product.
Byzantine BTC
Compliance-friendly

Ever saw a compliance team smile?

No volatility in digital asset exposure
Loans in USD-backed stablecoins (1:1 cash & Treasuries).
Segregated, bankruptcy-remote accounts
Dedicated user accounts.
Full KYC/KYB compliance
AML compliance without exception.
Strategy built by licensed partner
AML/CFT, MiCA, SOC 2 Type II compliant.
Detailed tax reporting
Our API talks to your accounting software.
Products

Earn on a variety of currencies

Byzantine Prime USD
Earn on dollars
Byzantine Prime EUR
Earn on euros with no FX risk
Open an account
Byzantine Prime GBP
Opportunities in British Pounds
Coming soon

Simulation

Capital invested
$
Monthly contributions
$
Time Horizon
30Y
You’re earning up to
8.25% APY

Future balance

$0.00

$2,286,369.56
earned in
30
years

Compare your Future Balance

$1.1M

Byzantine USD
8.25% APY

$612K

-$558K
MMFs
3% APY

$394K

-$776K
Keep in cash
0% APY

The Byzantine advantage

Returns paid daily
Diversified, blue-chip credit portfolio
Institutional security
Institutional or self custody. Optional principal insurance.
Withdraw anytime, no fees
Regulated third-party strategy curator
Loved by accountants
Our API talks to your accounting software.
Byzantine's infrastructure lets clients access daily returns, institutional-grade security, and frictionless access - built for treasuries and allocators that refuse to leave returns on the table.
Use cases

Trusted solutions for modern treasuries

Crypto Treasuries
Signal strongest returns management, outsource risk.
Family Offices
Diversify safely, follow peers allocating to digital assets.
Startups
Optimise your treasury and extend your runway.
Freelancers
Turn idle cash into insured returns, always accessible when needed.
Individuals
Flexibility like a savings account, returns like an investment.
Fintech platforms
Offer a high-yielding, plug-and-play Earn programme.
Asset Managers / VCs
Differentiate with transparent, benchmarkable returns.
Hedge Funds
Lever predictable, uncorrelated return streams.
Corporate Treasuries
Enhance balance sheets above deposits, audit-ready.
Our reviews

What our Clients say

Placeholder avatar.
Placeholder logo.
Decorative testimonial icon.

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Donec posuere orci convallis nibh imperdiet.

Dolor Convallis
Partner at Mage
Placeholder avatar.
Placeholder logo.
Decorative testimonial icon.

Sed ut perspiciatis unde omnis iste natus error.

Natus Parlus
VC at Loot Capital
Placeholder avatar.
Placeholder logo.
Decorative testimonial icon.

Vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti

Kevin Rojan
Co-founder at Growth Capital
Placeholder avatar.
Placeholder logo.
Decorative testimonial icon.

Vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti

Dolor Convallis
Partner at Mage
Placeholder avatar.
Placeholder logo.
Decorative testimonial icon.

Vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti

Dolor Convallis
Partner at Mage

Built for treasuries, not traders.

Seamless integration with existing systems.
Q&A

Frequently Asked Questions

Straight answers to the questions that matter most about your money.
What is Byzantine?

Byzantine is a technical infrastructure designed to help companies and individuals earn safe, predictable returns on their cash.

Byzantine Prime is a conservative cash-plus strategy. Your assets stay in a segregated structure and earn low-risk interest.

How does Byzantine work?

When you deposit funds, our third-party partners:

  • Convert them into stablecoins (digital dollars or euros that are always 1:1 with fiat currency).
  • Deploy them across secure, decentralised, and audited lending markets.
  • Manage everything for you through a third-party, regulated strategy curator: Currency hedging, risk monitoring, and liquidity.

Byzantine's infrastructure gives seamless access to safe, predictable returns and total oversight over your capital. You simply deposit, watch your balance grow, and withdraw whenever needed.

Why Byzantine?

Byzantine Prime is a fixed-income, low-volatility style product. Our infrastructure gives institutional users seamless access to it.

  • Set-and-forget: Our infrastructure manages everything end-to-end, including on/off-ramping, FX hedging, rebalancing, diversification, liquidity buffers, risk monitoring, and insurance - so users can treat this as a turnkey treasury allocation.
  • Base + spread model: The product's underlying credit markets deliver base rate + 400bps at all times. Stability is the priority, but users capture upside when possible - Byzantine Prime targets at least the 400 bps spread, but is not capped to it. Such rate may vary over time and is not guaranteed.
  • Capital protection: Partnered with a global insurance provider,  active risk management through a third-party regulated partner, and with assets in tier-1 custody.
  • Risk-adjusted diversification: Strategies include only audited, deep-liquidity pools, dynamically rebalancing to maintain safety.
  • Real-time risk monitoring: 24/7 oversight + Keyrock’s proprietary stress testing.
  • Regulated partner: The strategy is curated by Keyrock Curation Services.
  • Liquidity-first design: Withdrawals fulfilled in <1 minute under normal conditions, with buffers sized for institutional flows.

Byzantine is built as a credit infrastructure designed for treasuries. Depositors receive stable, risk-adjusted returns with full, real-time transparency. The right comparison set is T-bills, MMFs, and institutional credit strategies.

Where do returns come from?

Returns come from institutional money markets, where traders and market makers borrow stablecoins at predictable rates.

Through Byzantine Prime infrastructure, you deploy capital exclusively into multi-audited, blue-chip markets.

What's a stablecoin?

A stablecoin is a type of digital asset that’s tied to a real-world currency (like the US Dollar or Euro). 1 USDC = 1 USD, always. 1 EURC = 1 EUR, always. This makes stablecoins a safe way to move money and earn returns without volatility.

Is my money safe?

Yes, safety is our top priority. You:

  • Deploy into vaults whose strategy is managed by Keyrock Curation Services, a regulated Digital Asset Service Provider
  • Hold assets in tier-1 regulated custodians or non custodially - depending on your choice.
  • Use only battle-tested credit markets with multiple security audits
  • Can, optionally, choose to insure your principal with a global leader in risk coverage.
Does Byzantine control my assets?

Byzantine never controls your assets. Deposited assets are deployed according to the strategy set by Keyrock, the strategy curator, but you as the holder always maintain total control.

Your money, working at up to 8%*

Hourly returns, access your capital when you want, set up in minutes
Trusted by
8% APY*
Net return
USD
6% APY*
Insured
Net return
USD
6% APY*
Net return
USD
4% APY*
Insured
Net return
USD

Our diversified products

Lorem Ipsum dolor sit amet.
8
%*
Net return
USD
6
%*
Insured
Net return
USD
6
%*
Net return
USD
4
%*
Insured
Net return
USD
*APY reflects returns originating from borrower interest through decentralized protocols, not from Byzantine Finance. Byzantine Finance is a technology company, not a bank.

Market numbers

A market in full expansion.
$
50
B+
Liquidity across lending markets
$
250
B+
Stablecoins in circulation
$
1
T+
Loans originated on-chain to date

Simulation

Capital invested
$
Monthly contributions
$
Time Horizon
30Y
You’re earning up to
8.25% APY

Future balance

$0.00

$2,286,369.56
earned in
30
years
How it works

Start in a few clicks

Get started in minutes, whether you integrate or onboard directly.
01
Connect
Open an account or integrate our API. Full KYC/KYB onboarding with dedicated support.
02
Deploy
Choose your product, Prime EUR or Prime USD. Deposit via stablecoin or bank transfer.
03
Earn
Returns accrue daily. Withdraw anytime in under a minute, with full reporting

Two ways to use Byzantine

Whether you manage a treasury or build financial products, pick the path that fits.
For Treasuries & Allocators

Earn returns on your capital

Open an institutional-grade account directly. Insured capital, overcollateralised loans, daily returns, and instant withdrawals.
Up to 6-8% APY*
24/7 instant liquidity
Segregated accounts
Insurance on principal
EUR & USD
Daily return distribution
For Platforms & Fintechs

Offer returns to your clients

Let your users earn in EUR or USD, fully white-labelled. You bring the users; we provide the infrastructure.
Choose your currency, EUR or USD
Customisable strategy and risk profile
API, SDK, sandbox environment, and integrator dashboard
Stickier deposits and higher user retention
Live in 3 weeks
Security

Built to keep your funds safe

Multiple independent layers of protection. Bankruptcy-remote, insured against digital asset crime risk, regulated partners.

Audited partners

Keyrock, Portofino, Aon - Independently auditable.

Bankruptcy-remote architecture

Smart contracts handle all fund routing. Byzantine never holds your assets.

Insurance by Aon

Up to 100% of your principal plus returns insured against digital asset crime risk.

Over-collateralised lending

Borrowers deposit more collateral than they borrow. Your principal is backed at all times.

Real-time monitoring

Continuous on-chain monitoring of all positions and risk parameters, 24/7.

Regulated strategy

Curated by a MiCA-regulated partner.
Partners & standards
Keyrock
AON
Portofino
MiCA
SOC 2
Security

Built to keep your funds safe

Multiple independent layers of protection. Bankruptcy-remote, insured against digital asset crime risk, regulated partners.
Over-collateralised lending
Borrowers deposit more collateral than they borrow. Your principal is backed at all times.
Insurance by Aon
Up to 100% of your principal plus returns insured against digital asset crime risk.
Bankruptcy-remote architecture
Smart contracts handle all fund routing. Byzantine never holds your assets.
Real-time monitoring
Continuous on-chain monitoring of all positions and risk parameters, 24/7.
Fully compliant
Strategy managed by a MiCA-regulated partner.
Audited partners
Keyrock (regulated DASP), Portofino (FX), Aon (insurance), all independently auditable.
Partners & standards
Keyrock
AON
Portofino
MiCA
SOC 2
Security

Built to keep your funds safe

Multiple independent layers of protection. Bankruptcy-remote, insured against digital asset crime risk, regulated partners.
Security

Built to keep your funds safe

Multiple independent layers of protection. Bankruptcy-remote, insured against digital asset crime risk, regulated partners.
Over-collateralised lending
Borrowers deposit more collateral than they borrow. Your principal is backed at all times.
Insurance by Aon
Up to 100% of your principal plus returns insured against digital asset crime risk.
Bankruptcy-remote architecture
Smart contracts handle all fund routing. Byzantine never holds your assets.
Real-time monitoring
Continuous on-chain monitoring of all positions and risk parameters, 24/7.
Fully compliant
Strategy managed by a MiCA-regulated partner.
Audited partners
Keyrock (regulated DASP), Portofino (FX), Aon (insurance), all independently auditable.
Partners & standards
Keyrock
AON
Portofino
MiCA
SOC 2
Why Byzantine

Built around what matters

The things treasuries and allocators actually care about.
Returns, paid daily
Interest accrues every day.
Insured Capital
Optional insurance on your principal, via a global Insurer.
Access anytime
Withdraw your capital whenever you want.
Reporting, made simple
Reports + acounting tool integrations.

Ready to get started?

Join the institutions already earning yield with Byzantine.