diff --git a/lib/addresses.json b/lib/addresses.json
index cba931a..ca10502 100644
--- a/lib/addresses.json
+++ b/lib/addresses.json
@@ -1,4 +1,10 @@
 {
+  "31": {
+    "Contributor": "0xf1073Dab6e305583F95e451Cba449bB867a6e3Fd",
+    "Contribution": "0x1C531F824e339cD37D75B7F391cB8E42e0E0d4bd",
+    "Token": "0x56F64C3BB45e6a248F4C783f5a1633E53D6A2371",
+    "Reimbursement": "0x9C5fFBFba2570A9b31D60338453C5480Ce74B342"
+  },
   "1337": {
     "Contributor": "0xCc66f9A3cA2670972938FAD91d0865c4a62DFB25",
     "Contribution": "0x8999CaBc43E28202c5A2257f2a95A45b1F8A62BD",
diff --git a/lib/kredits.js b/lib/kredits.js
index 73e8641..12d4828 100644
--- a/lib/kredits.js
+++ b/lib/kredits.js
@@ -69,7 +69,10 @@ class Kredits {
     if (wallet) {
       signer = wallet.connect(ethProvider);
     } else if (ethProvider.getSigner) {
-      signer = ethProvider.getSigner();
+      // Only useful for reading data, not writing. The (unused) address is
+      // necessary because without an address, ethers.js will try to look up
+      // the provider's account 0, which doesn't work on our public RSK nodes.
+      signer = ethProvider.getSigner('0xfa77675540E550b911a6AABF3805ac17C6641ec1');
     }
     return new Kredits(ethProvider, signer, kreditsOptions);
   }
diff --git a/package.json b/package.json
index a3c4692..5e9d6b5 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
-  "name": "kredits-contracts",
+  "name": "@kredits/contracts",
   "version": "7.0.0-beta.0",
-  "description": "Ethereum contracts and npm wrapper for Kredits",
+  "description": "Smart contracts and JavaScript API for Kredits",
   "main": "./lib/kredits.js",
   "directories": {
     "test": "test"
diff --git a/scripts/import/contributions.js b/scripts/import/contributions.js
index e0a8466..0453d21 100644
--- a/scripts/import/contributions.js
+++ b/scripts/import/contributions.js
@@ -6,6 +6,8 @@ async function main() {
   await kredits.init();
 
   console.log(`Using Contribution at: ${kredits.Contribution.contract.address}`);
+  const count = await kredits.Contribution.count;
+  console.log(`Currently ${count} entries`);
 
   try {
     const data = fs.readFileSync("./data/contributions.json");
@@ -28,11 +30,11 @@ async function main() {
         c.hashDigest, c.hashFunction, c.hashSize,
         confirmedAtBlock, c.vetoed
       );
-      // await result.wait();
-      console.log(`Added contribution #${contributionId}: ${result.hash}`);
+      console.log(`Adding contribution #${contributionId}: ${result.hash}`);
+      await result.wait();
     };
   } catch(e) {
-    console.log(e);
+    console.error(e);
   }
 }
 
diff --git a/scripts/import/contributors.js b/scripts/import/contributors.js
index c2f71b3..0138634 100644
--- a/scripts/import/contributors.js
+++ b/scripts/import/contributors.js
@@ -6,7 +6,8 @@ async function main() {
   await kredits.init();
 
   console.log(`Using Contributor at: ${kredits.Contributor.contract.address}`);
-
+  const count = await kredits.Contributor.count;
+  console.log(`Currently ${count} entries`);
   try {
     const data = fs.readFileSync("./data/contributors.json");
     const contributors = JSON.parse(data);
@@ -22,11 +23,11 @@ async function main() {
         contributor.hashFunction,
         contributor.hashSize,
       );
-      // await result.wait();
-      console.log(`Added contributor #${contributorId}: ${result.hash}`);
+      console.log(`Adding contributor #${contributorId}: ${result.hash}`);
+      await result.wait();
     };
   } catch(e) {
-    console.log(e);
+    console.error(e);
   }
 }
 
diff --git a/scripts/list-contributors.js b/scripts/list-contributors.js
index 2a51c4d..2db0f6b 100644
--- a/scripts/list-contributors.js
+++ b/scripts/list-contributors.js
@@ -6,6 +6,8 @@ async function main() {
   await kredits.init();
 
   console.log(`Using Contributor at: ${kredits.Contributor.contract.address}`);
+  const count = await kredits.Contributors.count;
+  console.log(`Currently ${count} entries`);
 
   const table = new Table({
     head: ['ID', 'Account', 'Name', 'Core?', 'Balance', 'Kredits earned', 'Contributions count', 'IPFS']