According to Bloomberg, payments giant Stripe and crypto venture capital firm Paradigm announced on December 9 that their jointly developed blockchain project Tempo is open to the public for testing, allowing any enterprise interested in developing real-world stablecoin payment applications to participate. The public beta also added Kalshi and UBS as partners.
Circle on Tuesday announced the deployment of a public testnet of its payment-oriented Arc blockchain, which offers dollar-denominated fees, sub-second settlements and optional privacy controls and is designed to support financial services such as tokenised funds, cross-border transfers and foreign exchange settlements, and has attracted participation from more than 100 Financial Institution Groups and technology companies, including BlackRock, Visa, HSBC and Anthropic.
On April 14th, the modular blockchain Celestia announced the launch of the high-performance public test network mamo-1. Celestia said that mamo-1 generates 128MB blocks every 6 seconds, and the data throughput reaches 21.33MB/s, which is more than 16 times the current Celestia mainnet throughput. At present, the Celestia mainnet supports 8MB blocks.
Walrus, a decentralized storage protocol, tweeted that it has launched a public testnet. The testnet includes API endpoints that support deletion of blobs, easy retrieval by Staketab, a WAL token economic model, and a staking application built by Mysten Labs.
Puffer Finance posted on social media stating that Puffer's public testing website has now been launched.