rosca

Smart Contracts Fueling eVow.io Platform

Rotating savings circles (ajo/tanda/chama) as a Nimiq Pay mini app. Non-custodial, every payment verified on the Nimiq chain.

On-chain ROSCA savings club for Arbitrum and Base. Built-in defaulter insurance, NFT receipts with rotating artist/sponsor collections, and EIP-712 invite tickets for private tandas.

Decentralized Community Savings (ROSCA) built on Hedera – Xitique OnChain automates group contributions, penalties, and governance using smart contracts.

Arisan (Indonesian ROSCA) where a Soroban smart contract holds the pool instead of a person. Prefunded, zero-residual, no admin. Rise In Green Belt, Stellar testnet.

OpenAjo documentation — rotating savings (ajo/esusu) protocol on Stellar

A modern web-based frontend for managing Rotating Savings and Credit Associations (ROSCA). Built with React, this application provides an intuitive interface for members to join groups, contribute funds, track payouts, and monitor cycles in real time.

MFellows — Money Fellows (moneyfellows.com) is an Egyptian fintech that digitizes the traditional rotating savings and credit association (ROSCA, or "gam'eya") into app-based "money circles." Over 8 million users save collectively and access payouts and credit through flexible 6, 10, or 12-month circles, with loan amounts up to 1,200,000 EGP, plus…

Digital infrastructure for Kenya's rotating credit associations (chamas/ROSCAs) — domain model, ledger, M-Pesa integration.

Open-source rotating savings group (Iqub/ROSCA) manager — Flutter + Firebase

Soroban smart contracts for OpenAjo — rotating savings (ajo/esusu/adashe) circles on Stellar, with on-chain reputation

A secure Express.js backend for ROSCA management, built with MongoDB and Node. Provides RESTful APIs for groups, authentication with JWT, contributions, payouts, and cycle tracking. Ensures reliable data persistence and real-time synchronization with the React frontend in the MERN stack.

Moneyfellows — Money Fellows is an Egyptian fintech, founded in 2018 and regulated by the Central Bank of Egypt, that digitizes the traditional rotating savings and credit association (ROSCA / "gam'eya") model as a mobile app.

On-chain ROSCA (rotating savings & credit circles) protocol — credit-scored contribution limits, weighted voting on payouts, and a shared reserve pool. Solidity + Next.js on CreditCoin testnet.

CircleUp puts rotating savings clubs (Ajo, Esusu, Tanda, Chama) on Stellar Soroban. Members contribute each round; the contract auto-pays the recipient — no organizer can run off with the pot. Miss a round, lose collateral. Complete a circle, earn on-chain reputation.

TypeScript SDK, event indexer + REST API, and Next.js web app for OpenAjo rotating savings circles on Stellar

An offline, no-login trust ledger for rotating savings groups (paluwagan / ROSCA / chit fund / tanda / susu). Your data never leaves your device.