diff --git a/ch12_mining.adoc b/ch12_mining.adoc
index 964846ab..76e9da05 100644
--- a/ch12_mining.adoc
+++ b/ch12_mining.adoc
@@ -1466,7 +1466,7 @@ include in their((("bitcoins", "mining", "competitiveness of", startref="bitcoin
 [[consensus_attacks]]
 === Hashrate Attacks
 
-Bitcoin's consensus mechanism is, at least
+Bitcoin's ((("decentralized consensus", "hashrate attacks", id="decentral-consensus-hashrate")))((("bitcoins", "mining", "hashrate attacks", id="bitcoin-mining-hashrate")))((("mining", "hashrate attacks", id="mining-hashrate")))((("hashrate attacks", id="hashrate")))((("forks", "hashrate attacks", id="fork-hashrate")))consensus mechanism is, at least
 theoretically, vulnerable to attack by miners (or pools) that attempt to
 use their hashing power to dishonest or destructive ends. As we saw, the
 consensus mechanism depends on having a majority of the miners acting
@@ -1607,7 +1607,7 @@ Undoubtedly, a serious hashrate attack would erode confidence in
 Bitcoin in the short term, possibly causing a significant price decline.
 However, the Bitcoin network and software are constantly evolving, so
 attacks would be met with countermeasures by the
-Bitcoin community.
+Bitcoin ((("decentralized consensus", "hashrate attacks", startref="decentral-consensus-hashrate")))((("bitcoins", "mining", "hashrate attacks", startref="bitcoin-mining-hashrate")))((("mining", "hashrate attacks", startref="mining-hashrate")))((("hashrate attacks", startref="hashrate")))((("forks", "hashrate attacks", startref="fork-hashrate")))community.
 
 [[consensus_changes]]
 === Changing the Consensus Rules