CoinSpark
Upgrade your bitcoin with messaging and assets.
CoinSpark launched on June 22, 2015 with 81 votes, #622 of 3,954 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 11 years on.
What it does
Just two simple steps to create a new blockchain, and three to connect to an existing one. Deploy unlimited blockchains per server for cross-chain applications. Issue millions of assets and tokens, all tracked and verified at the network level. Perform safe multi-asset and multi-party atomic exchange transactions. Create multiple key-value, time series or identity databases. Store data on- or off-chain. Ideal for data sharing, timestamping and encrypted archiving. Optionally control who can connect, send and receive transactions, create assets, streams and blocks. Each blockchain is as open or as closed as you need. Designed to let developers build blockchains and applications with minimum…from multichain.com
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