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Proof of work · live on Robinhood Chain

Bitcoin’s rules, settled by real work.

A 21,000,000 hard cap. Fifty a block, halving every 210,000. A difficulty that fights back as more machines arrive. The forge holds those rules and mints for nobody who has not done the hashing, including whoever deployed it.

Contract written · proven on an EVM

The forge compiles, deploys and mints in test.
It goes live the moment it is deployed on chain.

Chain Robinhood Chain · 4663
Hard cap 21,000,000 BTCF
Consensus keccak256 proof of work

The forge

Blocks mined
0 so far.

BlockMiner RewardTransaction

No blocks yet

Nothing has been hashed into existence. The first block is worth fifty, and it is sitting there unclaimed.

Mine the first block
Difficulty
1

Retargets every 1,024 blocks to hold a minute apiece.

Block reward
50 BTCF

Halves every 210,000 blocks, exactly like Bitcoin.

Mined so far
0

0% of the 21,000,000 that will ever exist.

The issuance

Not a token sale.
A hash rate.

Nothing was allocated, vested or reserved. Every unit that will ever exist has to be found by somebody hashing for it, on the same schedule Bitcoin uses.

21M

The cap is in the arithmetic.

The mint path stops paying once 21,000,000 have been issued. There is no branch that raises it, because there is no owner to call one.

Hard cap21,000,000
50

Halving every 210,000.

Fifty a block to start, then twenty-five, then twelve and a half. A bit shift in the code, not a governance decision.

StatusLive in the code
1,024

The difficulty answers back.

Every 1,024 blocks the target moves to drag the block time back toward a minute, clamped to a fourfold swing either way. That clamp is Bitcoin's own guard against a difficulty shock.

Target60 s / block

Mechanism

Hash. Prove. Mint.
Nothing else gets in.

The contract does not trust your miner. It redoes the hash itself and mints only if the answer it computes is the one you claimed.

01

Take the challenge.

Read challengeNumber and miningTarget straight off the chain. Both change as soon as a block is found.

02

Search for a nonce.

Hash the challenge, your address and a counter until the digest falls under the target. Your address is inside the preimage, so the solution is yours alone.

03

Let it be checked.

Send the nonce. The contract recomputes the digest, rejects anything above the target, credits the reward and rolls the challenge forward.

Read the mechanism in full

Open to anyone

The first block is
still unmined.

One transaction, signed by your wallet, straight to the pons launcher, with the fee stream pointed somewhere better than a personal wallet.