Get the weekly commit
New blockchain deep dives every week.
Loading…
A recent study shows that 42% of the world’s top 50 universities teach Cryptocurrency or blockchain.
Get the weekly commit
New blockchain deep dives every week.
GeneralIntermediateA bridge is only as safe as whatever verifies cross-chain messages. Most major hacks came from stolen validator keys, verification bugs, or bad upgrades, not the chains themselves.
#bridges#security
On Bitcoin, scale confirmation depth with the amount at risk, since finality is probabilistic. On Ethereum, wait for the finalized checkpoint. On rollups, wait for the batch to be final on L1.
#consensus#transactions
GeneralIntermediateBIP-39 encodes random entropy as 12-24 words and stretches them into a seed; BIP-32/44 derive every key from it. Store the words offline on durable media in several places, never digitally.
#cryptography#security#wallets