diff --git a/src/lib.rs b/src/lib.rs
index 3eab8e4..6e15aeb 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,6 +1,7 @@
 use chrono::prelude::*;
 use lazy_static::lazy_static;
 use std::convert::Into;
+use std::sync::RwLock;
 
 // TODO review whether a genesis block has a block height of 1 or 0
 
@@ -21,35 +22,35 @@ pub struct BlockchainInfo {
 }
 
 lazy_static! {
-    static ref BSV_BI: BlockchainInfo = BlockchainInfo {
+    static ref BSV_BI: RwLock<BlockchainInfo> = RwLock::new(BlockchainInfo {
         block_period: 10 * 60, // 10 minutes,
         latest_block_height: 852792,
         latest_block_time: Utc.with_ymd_and_hms(2024, 7, 11, 19, 53, 7).unwrap(),
-    };
-    static ref BTC_BI: BlockchainInfo = BlockchainInfo {
+    });
+    static ref BTC_BI: RwLock<BlockchainInfo> = RwLock::new(BlockchainInfo {
         block_period: 10 * 60, // 10 minutes,
         latest_block_height: 851724,
         latest_block_time: Utc.with_ymd_and_hms(2024, 7, 11, 19, 38, 6).unwrap(),
-    };
-    static ref XMR_BI: BlockchainInfo = BlockchainInfo {
+    });
+    static ref XMR_BI: RwLock<BlockchainInfo> = RwLock::new(BlockchainInfo {
         block_period: 2 * 60, // 2 minutes,
         latest_block_height: 3190705,
         latest_block_time: Utc.with_ymd_and_hms(2024, 7, 11, 19, 54, 11).unwrap(),
-    };
-    static ref ETH_BI: BlockchainInfo = BlockchainInfo {
+    });
+    static ref ETH_BI: RwLock<BlockchainInfo> = RwLock::new(BlockchainInfo {
         block_period: 12,
         latest_block_height: 20285486,
         latest_block_time: Utc.with_ymd_and_hms(2024, 7, 11, 19, 53, 59).unwrap(),
-    };
+    });
 }
 
 impl From<BlockchainSupported> for BlockchainInfo {
     fn from(val: BlockchainSupported) -> Self {
         match val {
-            BlockchainSupported::BTC => *BTC_BI,
-            BlockchainSupported::BSV => *BSV_BI,
-            BlockchainSupported::XMR => *XMR_BI,
-            BlockchainSupported::ETH => *ETH_BI,
+            BlockchainSupported::BTC => *BTC_BI.read().unwrap(),
+            BlockchainSupported::BSV => *BSV_BI.read().unwrap(),
+            BlockchainSupported::XMR => *XMR_BI.read().unwrap(),
+            BlockchainSupported::ETH => *ETH_BI.read().unwrap(),
         }
     }
 }