What programming language is used in Blockchain?

What programming language is made use of in Blockchain?
Blockchain tasks working with C++ include: EOS — C++ is the most important programming language of EOS favored for its versatility to run intensive applications on prime of the blockchain. EOS also supports any language that compiles into WebAssembly (WASM)

Reference:
The most well known programming languages made use of in blockchain …
Might sixteen, 2019