May 5, 2026

Bitcoind 0.5.3 stuck at block 364,670 – what to do?

I compiled bitcoind using the same steps as last year. In particular I set DB_CONFIG: set_lg_dir database set_lk_max_locks 537000 Unfortunately once I hit block 364,670 (2015-07-10) I’m treated with: EXCEPTION: 11DbException Db::put: Cannot allocate memory […]

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Schnorr batch validation speed statistics

In this question What are the advantages of Schnorr vs ECDSA? I see in the Pieter Wuille’s answer the following comment about Schnorr signature batch validation: "Improving verification speed, by supporting batch validation of all […]

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BCH ABC testnet Faucet?

I want a Bitcoin cash ABC chain (BCHABC) testnet faucet. Cause 15th Nov. onwards after a hard fork on bitcoin cash network existing bch faucets are not working. Even questions over here are also not […]

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Networking in cryptocurrency

I am learning and trying to implement my own cryptocurrency and I am thinking about how could I achieve the peer to peer connections. I read that Bitcoin is using DNS seeds for discovering users. […]

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bruteforce 12 words seed

Suppose that someone seized my seed with a phrase of 12 words. I deliberately changed the order of words in a phrase in such a way that the only way to get a real phrase […]

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