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BSHA3

BSHA3 is a distributed ledger much like its predecessors. It offers a decentralized means of transparent exchange, a problem perfected by Bitcoin and its Bitcoin Core implementation.

This is the first blockchain ever to use sha3d, a double hash function analogous to Bitcoin's sha256d. Cryptographers today believe that sha256 is sound and secure. But, if sha3 is also indeed secure, it is valuable to have a chain driven by it instead.

SHA256 is included in many parts of Bitcoin, from address creation to transaction id calculation and more. These were all worth changing to SHA3-256. Two instances are omitted - the merkle tree reduction step, and the Tor implementation. Interestingly, the random oracle model expressed by these hash functions made the algorithm swap both sound and simple.

Aside from this difference, the main goals of this chain are parity with the intentional, good parts of Bitcoin, and omission of its historical errors. BIPs are also carried over in general; any differences are listed in a working document named BIPMAD - Bitcoin Improvement Proposal Modifications and Deletions.

This blockchain is released to the public on block 250, on October 31, 2018, with 0 halvings done - a 50 BSHA3 coinbase reward - the highest, initial amount. This offers a true decentralization opportunity, for miners themselves to innovate on Keccak-1600 and SHA3d mining performance and drive this chain forward - sooner than later.

This initial release contains a CPU reference miner that uses getblocktemplate to solo mine BSHA3d.

There is no difficulty bomb (auto-hardfork) implemented, ensuring a clear future - 21,000,000 BSHA3 ever, under consensus rules. 100,000,000 satoshis each.

Good luck!

Blockchain Information

  • BIP9 is deployed

  • BIP65, 66 are activated

  • CheckSequenceVerify is activated

  • Segwit is activated

  • Checkpoints & latest ChainTxData introduced

  • OP_SHA1 removed, OP_SHA3 added in its place

  • SHA256 replaced by SHA3-256 in all cases besides Tor

  • Same average block time (10min) and supply schedule as Bitcoin

Libs & Code

  • pysha3
  • arduino/rweather - arduinolibs/libraries/Crypto

References