No, they don't. Please check the code. Please check the discussion: https://www.reddit.com/r/Bitcoin/comments/5yf0ex/trust_assumptions_in_assumedvalid_in_bit

No, they don't. Please check the code. Please check the discussion: https://www.reddit.com/r/Bitcoin/comments/5yf0ex/trust_assumptions_in_assumedvalid_in_bitcoin_core/ https://www.reddit.com/r/Bitcoin/comments/5yf0ex/trust_assum... Please check the news: https://bitcoinmagazine.com/articles/bitcoin-core-0140-released-whats-new/ https://bitcoinmagazine.com/articles/bitcoin-core-0140-relea... Or just run your own node: bitcoind --help and see what it says.