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.

A rotating savings & credit association (ROSCA) as an immutable Solidity smart contract — no collateral, no fees, no admin key.

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.

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.

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.

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.

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

Non-custodial social payments, dual-bond escrow, and collateral-backed rotating savings circles on Solana with zero-gas onboarding.

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

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

Open, join and run a rotating savings circle on Stellar. No server, no custody - the contract holds the funds and the rules

Mutual-aid debt relief as verified math: a 0% lending circle and a funded forgiveness covenant that create no money and conserve exactly.

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.

Collateral-backed rotating savings circles on Solana, with a Bauhaus Next.js dashboard and AI group discovery.

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

Read and drive CircleFi rotating savings circles on Stellar - no server, no custody, any signer

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

Soroban contracts for rotating savings circles - esusu, ajo, tanda, chit funds - where a deposit covers a missed round so the recipient is still paid in full