Ripple XRP and Holochain White Paper

Ripple XRP Protocol White Paper

https://ripple.com/files/ripple_consensus_whitepaper.pdf

Ripple XRP Database White Paper

https://whitepaperdatabase.com/ripple-xrp-whitepaper/

Holochain White Paper

https://github.com/metacurrency/holochain/blob/whitepaper/holochain.pdf

Holochain Database White Paper

https://whitepaperdatabase.com/holo-chain-hot-whitepaper/

Holo Feed White Paper

https://www.producerstoken.com/wp-content/uploads/Producers-Token-White-Paper.pdf

TE-FOOD White Paper

https://ico.tefoodint.com/te-food-white-paper.pdf

Solidity : Smart Contracts

https://en.wikipedia.org/wiki/Solidity

Solidity is an object-oriented programming language for writing smart contracts.[1][2] It is used for implementing smart contracts[3][4] on various blockchain platforms.[5] It was developed by Gavin Wood, Christian Reitwiessner, Alex Beregszaszi, Liana Husikyan, Yoichi Hirai and several former Ethereum core contributors to enable writing smart contracts on blockchain platforms such as Ethereum.[6][unreliable source][7][unreliable source?][not in citation given]