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It creates an < code > iframe< / code > containing the mCaptcha widget and injects the
received verification proof token into a hidden input field.< / p > < p > Support is available for various frameworks, see
< a href = https://github.com/mCaptcha/glue > < code > mCaptcha/glue< / code > < / a > for the full list.< / p > < p > For frameworks without official support, a low-level library,
< a href = https://www.npmjs.com/package/@mcaptcha/core-glue > < code > @mcaptcha/core-glue< / code > < / a > ,
can be used to implement support.< / p > < h2 id = widget-program > Widget Program< a href = #widget-program class = anchor aria-hidden = true > #< / a > < / h2 > < p > This part is served by the mCaptcha backend. It fetches PoW config from
the backend, generates proof and submits it for verification. If
verification is successful, it sends a message containing the
verification proof token to the parent window, assuming it’ s loaded as
an < code > iframe< / code > .< / p > < ul > < li > Source code:
< a href = https://github.com/mCaptcha/mCaptcha/tree/master/templates/widget > < code > mCaptcha/mCaptcha/templates/widget< / code > < / a > < / li > < / ul > < p > WebAssembly library which generates Proofs of Work for mCaptcha systems.< / p > < h2 id = proof-of-workpow-library > Proof-of-Work(PoW) library< a href = #proof-of-workpow-library class = anchor aria-hidden = true > #< / a > < / h2 > < p > WebAssembly bindings(< a href = https://github.com/mCaptcha/pow_wasm > < code > mCaptcha/pow_wasm< / code > < / a > ) are available for the main rust library(< a href = https://github.com/mCaptcha/pow_sha256 > < code > mCaptcha/pow_sha256< / code > < / a > ).< / p > < p > For browsers without support WebAssembly, a
polyfill(< a href = https://github.com/mCaptcha/pow_sha256-polyfill > < code > pow_sha256-polyfill< / code > < / a > )
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