From 51071f29104362cd95cd7b8d54f03cd90ae8c5f4 Mon Sep 17 00:00:00 2001 From: Shannon Appelcline Date: Tue, 18 Aug 2020 11:40:32 -1000 Subject: [PATCH] Typo per @javiervargas --- 15_3_Receiving_Bitcoind_Notifications_with_C.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/15_3_Receiving_Bitcoind_Notifications_with_C.md b/15_3_Receiving_Bitcoind_Notifications_with_C.md index c055578..1afd8a4 100644 --- a/15_3_Receiving_Bitcoind_Notifications_with_C.md +++ b/15_3_Receiving_Bitcoind_Notifications_with_C.md @@ -12,7 +12,7 @@ Before you can create a blockchain listener, you will need to configure `bitcoin ### Configuring `bitcoind` for ZMQ -Bitcoin Core is is ZMQ-ready, but you must specify ZMQ endpoints. ZeroMQ publish-sockets prepend each data item with an arbitrary topic +Bitcoin Core is ZMQ-ready, but you must specify ZMQ endpoints. ZeroMQ publish-sockets prepend each data item with an arbitrary topic prefix that allows subscriber clients to request only those items with a matching prefix. There are currently four topics supported by `bitcoind`: ``` $ bitcoind --help | grep zmq | grep address