Back in 2017, a [Standford applied crypto group](https://crypto.stanford.edu/bulletproofs/) wrote a [paper](https://eprint.iacr.org/2017/1066.pdf) presenting a new kind of range proofs, called bulletproofs.
En el 2017, un [grupo de criptografia aplicada de Standfors]((https://crypto.stanford.edu/bulletproofs/) escribio un [documento tecnico](https://eprint.iacr.org/2017/1066.pdf) presentando un nuevo tipo de comprobaciones de rango, llamadas bulletproofs.