updates

Author: instagibbs

bip-paytoanchor.mediawiki

@@ -25,17 +25,17 @@ The "anchor" output type is a commonly used pattern in Bitcoin layer 2 systems s
 When the wallet user is unconcerned by *who* is able to bump the transaction fees as long as someone does, this output type may confer a couple of advantages:
 
 1. Using an output type with minimal output and spending input footprint saves fees on average
-2. Keyless operation aids in interoperability of services like watchtowers as there is no privelaged key material for bumping
+2. Keyless operation aids in interoperability of services like watchtowers as there is no privileged key material for bumping
 
-with the drawback that selection of this output type could result in griefing if anti-pinning measures are not taken.
+with the drawback that selection of this output type could result in griefing if anti-pinning measures are not taken. If unsure, use in conjunction with [bip-0431.mediawiki TRUC transactions].
 
 ===Specification===
 
 A P2A output is defined as one with the exact witness output script
 
-<code>OP_1 <0x4e73></code>
+<code>OP_1 <0x4e73></code><ref>To be segwit it needs to be a witness version + witness program. This conforms to the smallest witness program size of two. The specific bytes cannot be zeros so they are chosen to spell "fees" in bech32m format.</ref>
 
-corresponding to the address <code>bc1pfeessrawgf</code> on Bitcoin mainnet.
+corresponding to the addresses <code>bc1pfeessrawgf</code> on Bitcoin mainnet, <code><tb1pfees9rn5nz</code> on public testnets, and <code>bcrt1pfeesnyr2tx</code> on regtest.
 
 P2A inputs are considered standard for spending if no witness data is attached. This avoids meaningless witness padding. Consensus meaning is unchanged.
 
@@ -47,7 +47,7 @@ P2A inputs are considered standard for spending if no witness data is attached.
 
 There are a number of related but separate historical concepts:
 
-[https://github.com/bitcoin/bitcoin/pull/30239 Ephemeral Dust]: Relay policies allowing a single dust output as long as it is spent in a transaction package. As an implementation detail, dust for P2A is set at 240 satoshis by default, others dust levels remain unchanged, and the dust-having transaction must be zero fee.
+[https://github.com/bitcoin/bitcoin/pull/30239 Ephemeral Dust]: Relay policies allowing a single dust output as long as it is spent in a transaction package. As an implementation detail, dust threshold for P2A is set at 240 satoshis by default, other dust levels remain unchanged, and the dust-having transaction must be zero fee. Any output script type may have down to 0-value outputs.
 
 [https://bitcoinops.org/en/topics/ephemeral-anchors/ Ephemeral Anchors]: Historically the union of P2A output type and ephemeral dust. Keyed anchors along with ephemeral dust are also an accepted pattern and as such they remain separate concepts.