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Daily Solana Tip 62
Every solana account has an owner, which is a program that's allowed to write to this solana account and reduce its lamports. But what about the programs, who owns them?
Well, there are special programs that own programs and are responsible for managing their updates and executing them: Program Loaders. The current loader used by most programs is the Upgradeable BPF Loader. Before that, there existed the now deprecated BPF Loader, which can't be used anymore, and a second version of the BPF loader, which only supports immutable programs. The upgradeable loader supports, as the name betrays, upgrading the program code. This upgrade can only be performed by an upgrade authority. The loader is responsible for creating new programs, upgrading programs, changing program upgrade authorities, and closing programs and their buffers. It also is responsible for executing your program correctly, such as loading its parameters and launching its entrypoint. Currently, the upgradeable loader uses an architecture where your programs code is saved in a separate executable program data account, while the main program account only contains information about where this data account is. (If you've ever wondered why there's almost no data at your program's official address). There is however a new loader on the horizon, which might change how that works. As a dev or auditor you should just know that different loaders exist, but you'll want to use the upgradeable loader with an upgrade authority which can also be revoked.

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wow. @feed_protocol is one of the simplest ways to implement on-chain rng to your solana programs. shout out to the team! i love you. you just made my life easier.
Feed Protocol@feed_protocol
🚀 Big News! 🚀 We're thrilled to announce the launch of Feed Protocol’s on-chain randomness (RNG) service on the mainnet! 🎉 To celebrate, enjoy 3 months of free usage until September 30! Don't miss out on making your games fairer, innovative, and decentralized. Start now! Website: feedprotocol.xyz Docs: feedprotocol.xyz/docs Dune Dashboard: dune.com/mint_labs/feed…
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1/
Today, we launch the next generation of Light.
Together with @heliuslabs
At its core, a new primitive:
Tokens and accounts: orders of magnitude cheaper,
while enabling native ZK compute on Solana.
We call it:
ZK Compression.

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