Blake 256

Why Blake-256?

Design

▫️The simplicity of the algorithm

▫️interface for hashing with a salt

▫️reward for mining Photon does NOT decrease over time

▫️Reward increases with block height and difficulty

▫️No reduction of mining hash rate or Power Efficiency over time

Performance

▫️Fast in both Software and Hardware

▫️Parellelism and throughput/area trade-off for hardware implentation

▫️simple speed/confidence trade-off tunable number of rounds

▫️3x faster on the GPU and just over 2x on the FPGA compared with Bitcoin

Security

▫️based on an intensively analyzed component (ChaCha)

▫️resistant to generic second-preimage attacks

▫️resistant to side-channel attacks

▫️resistant to length-extension

▫️Photon does NOT include artificial *Security* or *Resistance*

Author prosper
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