Foundation enables users to mint and sell their digital art and earn royalties in return (supply-side fees). The platform takes a fee for each successful trade (revenue). 

Foundation aims to build a new creative economy by empowering artists, collectors and other users to buy, sell, and participate in live auctions for various digital pieces of art.

Foundation is a NFT marketplace, featuring live auctions, built on Ethereum. The platform was founded by 
Kayvon Tehranian and it was launched in February 2021. 

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NFT marketplaces

Foundation

# Foundation Active users (daily) Methodology

## 1. Overview

Foundation's Daily Active Users (DAU) metric measures the number of unique user addresses that participated in any trading activity on the Foundation NFT marketplace on a given day. This metric captures marketplace engagement by counting distinct users who either bought or sold NFTs through various transaction types including private sales, accepted buy prices, accepted offers, completed auctions, and fixed-price drop purchases.

## 2. Data sources

The calculation relies on the following raw data sources:
- **Ethereum blockchain event logs**: Parsed events from Foundation marketplace smart contracts including the main Market contract and NFTDropMarket contract
- **Foundation marketplace events**: Specific event types including `PrivateSaleFinalized`, `BuyPriceAccepted`, `OfferAccepted`, `ReserveAuctionFinalized`, and `MintFromFixedPriceDrop` events
- **Transaction metadata**: Block timestamps and transaction hashes from Ethereum blockchain records

## 3. Step-by-step calculation

### Component A: User activity extraction
- **Purpose**: Identify all user addresses that participated in Foundation marketplace transactions
- **Logic**: Extract user addresses from multiple Foundation marketplace event types on Ethereum. For each event type, capture both buyer and seller addresses where applicable. The events tracked include private sales being finalized (capturing both `seller` and `buyer`), buy price offers being accepted (capturing both `buyer` and `seller`), general offers being accepted (capturing both `buyer` and `seller`), reserve auctions being finalized (capturing both `bidder` and `seller`), and fixed-price drop mints (capturing `buyer` addresses)
- **Key fields**: Block timestamp (`block_timestamp`), transaction hash (`transaction_hash`), user addresses from buyer and seller fields (`seller`, `buyer`, `bidder`), and user classification as `Trader` type

### Component B: User classification and metadata
- **Purpose**: Standardize user data with consistent metadata and classification
- **Logic**: Classify all extracted user addresses as `Trader` type since they participated in marketplace transactions. Add consistent metadata including chain identifier as `ethereum`, market sector as `nfts`, and business segment as `marketplace`. Include transaction-level details like block timestamps and transaction hashes for traceability
- **Key fields**: User type classification (`user_type` as `Trader`), chain identifier (`chain`), market categorization (`market_sector_id`, `business_segment_id`)

### Final aggregation
- **Combining components**: Union all user addresses extracted from different event types to create a comprehensive dataset of Foundation marketplace participants
- **Time aggregation**: Truncate block timestamps to daily boundaries using day-level granularity to group all activity within each 24-hour period
- **User deduplication**: Count distinct user addresses per day to ensure each user is counted only once regardless of how many transactions they participated in
- **Chain filtering**: Apply chain availability filtering to ensure only valid Ethereum chain data is included in the final metric
- **Final calculation**: The daily active users count represents the number of unique user addresses that participated in any Foundation marketplace transaction type on each given day

*This methodology was automatically generated by Token Terminal's methodology analyzer.*

Unique revenue-generating users over a fixed 24-hour window.

Foundation

Active users (daily)

Active users (daily)

Competitive landscape