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004 Pandemic Bonds

Sun Feb 2 2020 · 5 minute read · (last modified on February 28, 2021)

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When Bill Gates was asked in a Vox interview 1 on what he feared most, his reply was not climate change or nuclear war.

Mr. Gates was most worried about pandemics, deadly diseases that spread quickly over large regions, he goes ahead to cite some of the biggest “death charts” of history.

These “death charts”, where several spikes in which a large numbers of people died in a very short period.

The first “death chart” he mentions is World War I, the second one is World War II, the third spike or “death chart” was about two times bigger than World War I (50 million deaths), but it was not caused by a war, it was the spanish flu 2. This isn’t even the worst case, pandemics like the the black plague killed over 200 million (60% of Europe’s population at the time) about 2 times a bigger death toll than any war we have ever had3.


Pandemics & Preparedness

Pandemics are real & unpredictable as we have seen with Ebola 4, SARs 5, and at the time of this writing, the Corona virus6.

The problem is that, we are often not prepared for these pandemics. For instance, during the Ebola pandemic in West Africa, 11,000 died simply because the responsible bureaucrats could not mobilize enough resources in time.

Pandemic Bonds and how they work

There was an idea from the World Health Organization (WHO) to use create a kind of insurance market they call a Pandemic bond.7

How it would work is that,

Trust minimized pandemic bonds

The pandemic bonds have however become controversial9 probably due to their poor mechanism design10. Despite this fact, I think mechanism designers can come up with better mechanisms resembling these “pandemic bonds” that actually work in a society.

The great thing about Smart-contracts like Solidity11, Scilla12 & Simplicity13 is that, they allow us to design trust minimized financial instruments, thus incorporating a strain of these pandemic bonds into what is now popularly defined as DeFI or decentralized finance14.

We can have several of these DeFi (Decentralized Finance) powered applications to mitigate several problems around disease.

Event Derivatives

Another way of using DeFi to mitigate disease pandemics is by leveraging prediction markets like Augur16 & Gnosis17 to create an “event derivative” that may assist in the mitigation of a disease. Event derivatives are markets that pay people for accurately predicting events in the future18

An example event derivative is a market we can call, “Will it rain on Thursday, next week?”. Before Thursday next week, people can bet “YES” or “NO” on if it will really rain on that day. If it rains, people who bet “YES” win the bet & people who voted “NO” have their money transferred to people that bet “YES”.

Coming back to disease pandemics, we can have a question like “Will there be a vaccine for Corona viral infections?”. In theory, this “event derivative” should incentivize the release of information that may lead to the creation of an Corona viral infection.

The market can also be subsidized by an entity through increasing the stakes to be won if incase the market outcome ins “YES”.


  1. Here is the video from VOX media. ↩︎

  2. America’s centre for disease control says this is the worsted pandemic in recent history ↩︎

  3. Black Death ↩︎

  4. Resources on Ebola by the CDC ↩︎

  5. Resources on SARS by the CDC ↩︎

  6. Resources on the Corona Virus by the CDC ↩︎

  7. A great article from the Economist is, Pandemic bonds, a new idea. There is also one a press release from world bank ↩︎

  8. Here is the full PDF of the Pandemic bond prospectus. You can also find more related documentation here. ↩︎

  9. Investors Cash In on Ebola Bonds That Haven’t Paid Out ↩︎

  10. Pandemic bonds: designed to fail in Ebola ↩︎

  11. Solidity is the most popular smart contracting language but has several limitations ↩︎

  12. Scilla is designed to overcome the short comings of solidity. ↩︎

  13. Simplicity aims to improve smart-contracts on Bitcoin, it is however still under heavy development. ↩︎

  14. ‘DeFi’ movement promises high interest but high risk”, is a great article from financial times to get familiarity with DeFi. ↩︎

  15. Corona Virus: Scientists race to develop a vaccine ↩︎

  16. You can checkout the Augur event derivatives or prediction markets. ↩︎

  17. Another market for making event derivatives is Gnosis ↩︎

  18. A more comprehensive definition of event derivatives can be found on the Markets Wiki ↩︎

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