In the years following our fork from BTC, negative events have confronted us affecting the stewardship of a successful cryptocurrency. Loosely, such a stewardship comprises making technical decisions, growing engineering relationships, building the user community, and protecting the essential qualities of BCH. …

The blockchain spam debate is rearing up again with similar arguments and divisions. To come to some clarity on the subject it is first important to understand that participants are not even talking about the same thing that both call “spam”. …

Abstract

There are two broadly different consensus strategies being employed by blockchain technologies today: miner and client consensus. Miner consensus is what is implemented in Bitcoin, so should be familiar to readers. In the client consensus model, the blockchain does not enforce validity rules. …

Description

OP_UNIQUE is an attribute or attribute opcode that associates a piece of miner-enforced unique data with a TXO. In a manner similar to how the UTXO set prevents doublespends, all blockchain validators must keep a UUDO (unspent unique data output) set to disallow any transaction that associates an already-associated piece…

Andrew Stone

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