Blockchain & Cryptocurrency Glossary

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Proof of Burn Networks

1 min read
Pronunciation
[proof of burn net-wurks]
Analogy
Like buying a non‑refundable ticket to participate in a lottery for block rewards.
Definition
Blockchains where participants ‘burn’ tokens—sending them to an unspendable address—to earn the right to mine or validate blocks, demonstrating long‑term commitment.
Key Points Intro
PoB replaces energy or stake lock with token destruction to secure consensus.
Key Points

Burn address: Tokens sent to provably unspendable output.

Mining rights: Burn amount determines block production probability.

Commitment: Demonstrates vested interest in network health.

Economic cost: Destruction of value deters malicious actors.

Example
Slimcoin uses PoB: miners burn coins to receive mining tickets, and tickets are drawn to produce new blocks.
Technical Deep Dive
Burn TX: `OP_RETURN` to `0x000...000`. Consensus algorithm reads `burntBalance[account]` as weight for leader election each epoch.
Security Warning
Burned tokens are irrecoverable; design incentives carefully.
Caveat
Network growth destroys base currency; may limit long‑term supply.

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