Market bonds are a debt instrument. It is the loan that an investor grants to the issuer of the bond.
Debt bonds are issued by corporations, governments, and entities.

Berkshire Hathaway, Wells Fargo and American Express are the most important companies in USA.

 
When the bond is first issued, the bond price is the loan amount and refers to the face value of the bond.
The face value of the bond is its price upon completion. The market value of the bond, even at the time of issuance is equal to its free market price this value depends on various economic and different market conditions.

In exchange for this loan, the investor receives the interest and almost all the bonds pay coupons periodically.
The bonds can be issued with a maturity of 1, 10, 30 years ...
Once the time is up, the issuer returns the loan to the investor.

Solutions to the The crisis caused by the coronavirus is being applied in the world of cryptocurrencies.
For example, a coupon of $ 60 can be issued that can be used with a value of $ 90 the day the crisis passes and businesses can be reopened.
The idea is very good and works practically the same as a bond in the traditional market.
And this is possible using MINTBASE https://mintbase.io/. It is based on ETHEREUM and is used to create non-expendable tokens (NFT).
For mintbase to work it is necessary to install an Argent, Formatic, Metamask or Coinbase wallet.